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List of chemical elements facts for kids

Kids Encyclopedia Facts

As of April 2024, scientists have found and officially named 118 different chemical elements. These names are approved by a group called the IUPAC. An element is a special kind of atom. Each element has a certain number of tiny particles called protons in its center, which is called the atomic nucleus. This number of protons is unique for each element.

The best way to see all 118 elements is on the periodic table. This table shows elements arranged by their chemical properties. It uses short symbols instead of the full names. The periodic table is a very important tool in modern chemistry. It helps us understand how elements behave.

Elements can also be listed in other ways. For example, they can be ordered by the number of protons they have. They can also be sorted by their weight or how dense they are. If you want to know where element names come from, you can check out the List of chemical element name etymologies.

Understanding Chemical Elements

What is an Element?

An element is a basic substance. You cannot break it down into simpler substances using normal chemical methods. Think of elements as the building blocks of everything around us. For example, oxygen, gold, and carbon are all elements.

Each element has a unique number of protons. Protons are tiny particles found in the center of an atom. This number is called the atomic number. It's like an element's special ID number. For instance, every carbon atom always has 6 protons. Every oxygen atom always has 8 protons.

The Periodic Table

The periodic table is a chart that organizes all the known elements. It groups elements with similar properties together. This helps scientists predict how elements will react with each other. The table shows elements in rows and columns. Each box on the table represents one element. It usually shows the element's symbol, atomic number, and atomic weight.

The idea for the periodic table came from the periodic law. This law says that the properties of elements repeat in a regular pattern. This pattern happens when elements are arranged by their atomic number.

List of Elements

Element Origin of name Group Period Block Standard
atomic
weight Ar°(E)		 Density Melting point Boiling point Specific
heat
capacity		 Electro­negativity Abundance
in Earth's
crust		 Origin Phase at r.t.
Atomic number
Z		 Symbol Name (Da) (g/cm3) (K) (K) (J/g · K) (mg/kg)
 
1 H Hydrogen Greek elements hydro- and -gen, 'water-forming' 1 1 style="text-align:left; background:s" s 1.008 0.00008988 14.01 20.28 14.304 2.20 1400 primordial gas
2 He Helium Greek hḗlios, 'sun' 18 1 style="text-align:left; background:p" p 4.0026 0.0001785 – 4.22 5.193 – 0.008 primordial gas
3 Li Lithium Greek líthos, 'stone' 1 2 style="text-align:left; background:s" s 6.94 0.534 453.69 1560 3.582 0.98 20 primordial solid
4 Be Beryllium Beryl, a mineral (ultimately from the name of Belur in southern India) 2 2 style="text-align:left; background:s" s 9.0122 1.85 1560 2742 1.825 1.57 2.8 primordial solid
5 B Boron Borax, a mineral (from Arabic bawraq, Middle Persian *bōrag) 13 2 style="text-align:left; background:p" p 10.81 2.34 2349 4200 1.026 2.04 10 primordial solid
6 C Carbon Latin carbo, 'coal' 14 2 style="text-align:left; background:p" p 12.011 2.267 >4000 4300 0.709 2.55 200 primordial solid
7 N Nitrogen Greek nítron and -gen, 'niter-forming' 15 2 style="text-align:left; background:p" p 14.007 0.0012506 63.15 77.36 1.04 3.04 19 primordial gas
8 O Oxygen Greek oxy- and -gen, 'acid-forming' 16 2 style="text-align:left; background:p" p 15.999 0.001429 54.36 90.20 0.918 3.44 461000 primordial gas
9 F Fluorine Latin fluere, 'to flow' 17 2 style="text-align:left; background:p" p 18.998 0.001696 53.53 85.03 0.824 3.98 585 primordial gas
10 Ne Neon Greek néon, 'new' 18 2 style="text-align:left; background:p" p 20.180 0.0009002 24.56 27.07 1.03 – 0.005 primordial gas
11 Na Sodium English (from medieval Latin) soda
 ·  Symbol Na is derived from Neo-Latin natrium, coined from German Natron, 'natron'		 1 3 style="text-align:left; background:s" s 22.990 0.968 370.87 1156 1.228 0.93 23600 primordial solid
12 Mg Magnesium Magnesia, a district of Eastern Thessaly in Greece 2 3 style="text-align:left; background:s" s 24.305 1.738 923 1363 1.023 1.31 23300 primordial solid
13 Al Aluminium Alumina, from Latin alumen (gen. aluminis), 'bitter salt, alum' 13 3 style="text-align:left; background:p" p 26.982 2.70 933.47 2792 0.897 1.61 82300 primordial solid
14 Si Silicon Latin silex, 'flint' (originally silicium) 14 3 style="text-align:left; background:p" p 28.085 2.3290 1687 3538 0.705 1.9 282000 primordial solid
15 P Phosphorus Greek phōsphóros, 'light-bearing' 15 3 style="text-align:left; background:p" p 30.974 1.823 317.30 550 0.769 2.19 1050 primordial solid
16 S Sulfur Latin sulphur, 'brimstone' 16 3 style="text-align:left; background:p" p 32.06 2.07 388.36 717.87 0.71 2.58 350 primordial solid
17 Cl Chlorine Greek chlōrós, 'greenish yellow' 17 3 style="text-align:left; background:p" p 35.45 0.0032 171.6 239.11 0.479 3.16 145 primordial gas
18 Ar Argon Greek argós, 'idle' (because of its inertness) 18 3 style="text-align:left; background:p" p 39.948 0.001784 83.80 87.30 0.52 – 3.5 primordial gas
19 K Potassium Neo-Latin potassa, 'potash', itself from pot and ash
 ·  Symbol K is derived from Latin kalium		 1 4 style="text-align:left; background:s" s 39.098 0.89 336.53 1032 0.757 0.82 20900 primordial solid
20 Ca Calcium Latin calx, 'lime' 2 4 style="text-align:left; background:s" s 40.078 1.55 1115 1757 0.647 1.00 41500 primordial solid
21 Sc Scandium Latin Scandia, 'Scandinavia' 3 4 style="text-align:left; background:d" d 44.956 2.985 1814 3109 0.568 1.36 22 primordial solid
22 Ti Titanium Titans, the sons of the Earth goddess of Greek mythology 4 4 style="text-align:left; background:d" d 47.867 4.506 1941 3560 0.523 1.54 5650 primordial solid
23 V Vanadium Vanadis, an Old Norse name for the Scandinavian goddess Freyja 5 4 style="text-align:left; background:d" d 50.942 6.11 2183 3680 0.489 1.63 120 primordial solid
24 Cr Chromium Greek chróma, 'colour' 6 4 style="text-align:left; background:d" d 51.996 7.15 2180 2944 0.449 1.66 102 primordial solid
25 Mn Manganese Corrupted from magnesia negra; see § magnesium 7 4 style="text-align:left; background:d" d 54.938 7.21 1519 2334 0.479 1.55 950 primordial solid
26 Fe Iron English word, from Proto-Celtic *īsarnom ('iron'), from a root meaning 'blood'
 ·  Symbol Fe is derived from Latin ferrum		 8 4 style="text-align:left; background:d" d 55.845 7.874 1811 3134 0.449 1.83 56300 primordial solid
27 Co Cobalt German Kobold, 'goblin' 9 4 style="text-align:left; background:d" d 58.933 8.90 1768 3200 0.421 1.88 25 primordial solid
28 Ni Nickel Nickel, a mischievous sprite of German miner mythology 10 4 style="text-align:left; background:d" d 58.693 8.908 1728 3186 0.444 1.91 84 primordial solid
29 Cu Copper English word, from Latin cuprum, from Ancient Greek Kýpros 'Cyprus' 11 4 style="text-align:left; background:d" d 63.546 8.96 1357.77 2835 0.385 1.90 60 primordial solid
30 Zn Zinc Most likely from German Zinke, 'prong' or 'tooth', though some suggest Persian sang, 'stone' 12 4 style="text-align:left; background:d" d 65.38 7.14 692.88 1180 0.388 1.65 70 primordial solid
31 Ga Gallium Latin Gallia, 'France' 13 4 style="text-align:left; background:p" p 69.723 5.91 302.9146 2673 0.371 1.81 19 primordial solid
32 Ge Germanium Latin Germania, 'Germany' 14 4 style="text-align:left; background:p" p 72.630 5.323 1211.40 3106 0.32 2.01 1.5 primordial solid
33 As Arsenic French arsenic, from Greek arsenikón 'yellow arsenic' (influenced by arsenikós, 'masculine' or 'virile'), from a West Asian wanderword ultimately from Old Iranian *zarniya-ka, 'golden' 15 4 style="text-align:left; background:p" p 74.922 5.727 1090 887 0.329 2.18 1.8 primordial solid
34 Se Selenium Greek selḗnē, 'moon' 16 4 style="text-align:left; background:p" p 78.971 4.81 453 958 0.321 2.55 0.05 primordial solid
35 Br Bromine Greek brômos, 'stench' 17 4 style="text-align:left; background:p" p 79.904 3.1028 265.8 332.0 0.474 2.96 2.4 primordial liquid
36 Kr Krypton Greek kryptós, 'hidden' 18 4 style="text-align:left; background:p" p 83.798 0.003749 115.79 119.93 0.248 3.00 1×10−4 primordial gas
37 Rb Rubidium Latin rubidus, 'deep red' 1 5 style="text-align:left; background:s" s 85.468 1.532 312.46 961 0.363 0.82 90 primordial solid
38 Sr Strontium Strontian, a village in Scotland, where it was found 2 5 style="text-align:left; background:s" s 87.62 2.64 1050 1655 0.301 0.95 370 primordial solid
39 Y Yttrium Ytterby, Sweden, where it was found; see also terbium, erbium, ytterbium 3 5 style="text-align:left; background:d" d 88.906 4.472 1799 3609 0.298 1.22 33 primordial solid
40 Zr Zirconium Zircon, a mineral, from Persian zargun, 'gold-hued' 4 5 style="text-align:left; background:d" d 91.224 6.52 2128 4682 0.278 1.33 165 primordial solid
41 Nb Niobium Niobe, daughter of king Tantalus from Greek mythology; see also tantalum 5 5 style="text-align:left; background:d" d 92.906 8.57 2750 5017 0.265 1.6 20 primordial solid
42 Mo Molybdenum Greek molýbdaina, 'piece of lead', from mólybdos, 'lead', due to confusion with lead ore galena (PbS) 6 5 style="text-align:left; background:d" d 95.95 10.28 2896 4912 0.251 2.16 1.2 primordial solid
43 Tc Technetium Greek tekhnētós, 'artificial' 7 5 style="text-align:left; background:d" d 98 11 2430 4538 – 1.9 ~ 3×10−9 from decay solid
44 Ru Ruthenium Neo-Latin Ruthenia, 'Russia' 8 5 style="text-align:left; background:d" d 101.07 12.45 2607 4423 0.238 2.2 0.001 primordial solid
45 Rh Rhodium Greek rhodóeis, 'rose-coloured', from rhódon, 'rose' 9 5 style="text-align:left; background:d" d 102.91 12.41 2237 3968 0.243 2.28 0.001 primordial solid
46 Pd Palladium Pallas, an asteroid, considered a planet at the time 10 5 style="text-align:left; background:d" d 106.42 12.023 1828.05 3236 0.244 2.20 0.015 primordial solid
47 Ag Silver English word
 ·  Symbol Ag is derived from Latin argentum		 11 5 style="text-align:left; background:d" d 107.87 10.49 1234.93 2435 0.235 1.93 0.075 primordial solid
48 Cd Cadmium Neo-Latin cadmia, from King Kadmos 12 5 style="text-align:left; background:d" d 112.41 8.65 594.22 1040 0.232 1.69 0.159 primordial solid
49 In Indium Latin indicum, 'indigo', the blue colour found in its spectrum 13 5 style="text-align:left; background:p" p 114.82 7.31 429.75 2345 0.233 1.78 0.25 primordial solid
50 Sn Tin English word
 ·  Symbol Sn is derived from Latin stannum		 14 5 style="text-align:left; background:p" p 118.71 7.265 505.08 2875 0.228 1.96 2.3 primordial solid
51 Sb Antimony Latin antimonium, the origin of which is uncertain: folk etymologies suggest it is derived from Greek antí ('against') + mónos ('alone'), or Old French anti-moine, 'Monk's bane', but it could plausibly be from or related to Arabic ʾiṯmid, 'antimony', reformatted as a Latin word
 ·  Symbol Sb is derived from Latin stibium 'stibnite'		 15 5 style="text-align:left; background:p" p 121.76 6.697 903.78 1860 0.207 2.05 0.2 primordial solid
52 Te Tellurium Latin tellus, 'the ground, earth' 16 5 style="text-align:left; background:p" p 127.60 6.24 722.66 1261 0.202 2.1 0.001 primordial solid
53 I Iodine French iode, from Greek ioeidḗs, 'violet' 17 5 style="text-align:left; background:p" p 126.90 4.933 386.85 457.4 0.214 2.66 0.45 primordial solid
54 Xe Xenon Greek xénon, neuter form of xénos 'strange' 18 5 style="text-align:left; background:p" p 131.29 0.005894 161.4 165.03 0.158 2.60 3×10−5 primordial gas
55 Cs Caesium Latin caesius, 'sky-blue' 1 6 style="text-align:left; background:s" s 132.91 1.93 301.59 944 0.242 0.79 3 primordial solid
56 Ba Barium Greek barýs, 'heavy' 2 6 style="text-align:left; background:s" s 137.33 3.51 1000 2170 0.204 0.89 425 primordial solid
57 La Lanthanum Greek lanthánein, 'to lie hidden' 3 6 style="text-align:left; background:d" d 138.91 6.162 1193 3737 0.195 1.1 39 primordial solid
58 Ce Cerium Ceres, a dwarf planet, considered a planet at the time n/a 6 style="text-align:left; background:f" f 140.12 6.770 1068 3716 0.192 1.12 66.5 primordial solid
59 Pr Praseodymium Greek prásios dídymos, 'green twin' n/a 6 style="text-align:left; background:f" f 140.91 6.77 1208 3793 0.193 1.13 9.2 primordial solid
60 Nd Neodymium Greek néos dídymos, 'new twin' n/a 6 style="text-align:left; background:f" f 144.24 7.01 1297 3347 0.19 1.14 41.5 primordial solid
61 Pm Promethium Prometheus, a figure in Greek mythology n/a 6 style="text-align:left; background:f" f 145 7.26 1315 3273 – 1.13 2×10−19 from decay solid
62 Sm Samarium Samarskite, a mineral named after V. Samarsky-Bykhovets, Russian mine official n/a 6 style="text-align:left; background:f" f 150.36 7.52 1345 2067 0.197 1.17 7.05 primordial solid
63 Eu Europium Europe n/a 6 style="text-align:left; background:f" f 151.96 5.244 1099 1802 0.182 1.2 2 primordial solid
64 Gd Gadolinium Gadolinite, a mineral named after Johan Gadolin, Finnish chemist, physicist and mineralogist n/a 6 style="text-align:left; background:f" f 157.25 7.90 1585 3546 0.236 1.2 6.2 primordial solid
65 Tb Terbium Ytterby, Sweden, where it was found; see also yttrium, erbium, ytterbium n/a 6 style="text-align:left; background:f" f 158.93 8.23 1629 3503 0.182 1.2 1.2 primordial solid
66 Dy Dysprosium Greek dysprósitos, 'hard to get' n/a 6 style="text-align:left; background:f" f 162.50 8.540 1680 2840 0.17 1.22 5.2 primordial solid
67 Ho Holmium Neo-Latin Holmia, 'Stockholm' n/a 6 style="text-align:left; background:f" f 164.93 8.79 1734 2993 0.165 1.23 1.3 primordial solid
68 Er Erbium Ytterby, Sweden, where it was found; see also yttrium, terbium, ytterbium n/a 6 style="text-align:left; background:f" f 167.26 9.066 1802 3141 0.168 1.24 3.5 primordial solid
69 Tm Thulium Thule, the ancient name for an unclear northern location n/a 6 style="text-align:left; background:f" f 168.93 9.32 1818 2223 0.16 1.25 0.52 primordial solid
70 Yb Ytterbium Ytterby, Sweden, where it was found; see also yttrium, terbium, erbium n/a 6 style="text-align:left; background:f" f 173.05 6.90 1097 1469 0.155 1.1 3.2 primordial solid
71 Lu Lutetium Latin Lutetia, 'Paris' n/a 6 style="text-align:left; background:f" f 174.97 9.841 1925 3675 0.154 1.27 0.8 primordial solid
72 Hf Hafnium Neo-Latin Hafnia, 'Copenhagen' (from Danish havn, harbour) 4 6 style="text-align:left; background:d" d 178.49 13.31 2506 4876 0.144 1.3 3 primordial solid
73 Ta Tantalum King Tantalus, father of Niobe from Greek mythology; see also niobium 5 6 style="text-align:left; background:d" d 180.95 16.69 3290 5731 0.14 1.5 2 primordial solid
74 W Tungsten Swedish tung sten, 'heavy stone'
 ·  Symbol W is from Wolfram, originally from Middle High German wolf-rahm 'wolf's foam' describing the mineral wolframite		 6 6 style="text-align:left; background:d" d 183.84 19.25 3695 5828 0.132 2.36 1.3 primordial solid
75 Re Rhenium Latin Rhenus, 'the Rhine' 7 6 style="text-align:left; background:d" d 186.21 21.02 3459 5869 0.137 1.9 7×10−4 primordial solid
76 Os Osmium Greek osmḗ, 'smell' 8 6 style="text-align:left; background:d" d 190.23 22.59 3306 5285 0.13 2.2 0.002 primordial solid
77 Ir Iridium Iris, the Greek goddess of the rainbow 9 6 style="text-align:left; background:d" d 192.22 22.56 2719 4701 0.131 2.20 0.001 primordial solid
78 Pt Platinum Spanish platina, 'little silver', from plata 'silver' 10 6 style="text-align:left; background:d" d 195.08 21.45 2041.4 4098 0.133 2.28 0.005 primordial solid
79 Au Gold English word, from the same root as 'yellow'
 ·  Symbol Au is derived from Latin aurum		 11 6 style="text-align:left; background:d" d 196.97 19.3 1337.33 3129 0.129 2.54 0.004 primordial solid
80 Hg Mercury Mercury, Roman god of commerce, communication, and luck, known for his speed and mobility
 ·  Symbol Hg is derived from its Latin name hydrargyrum, from Greek hydrárgyros, 'water-silver'		 12 6 style="text-align:left; background:d" d 200.59 13.534 234.43 629.88 0.14 2.00 0.085 primordial liquid
81 Tl Thallium Greek thallós, 'green shoot or twig' 13 6 style="text-align:left; background:p" p 204.38 11.85 577 1746 0.129 1.62 0.85 primordial solid
82 Pb Lead English word, from Proto-Celtic *ɸloudom, from a root meaning 'flow'
 ·  Symbol Pb is derived from Latin plumbum		 14 6 style="text-align:left; background:p" p 207.2 11.34 600.61 2022 0.129 1.87 (2+)
2.33 (4+)		 14 primordial solid
83 Bi Bismuth German Wismut, from weiß Masse 'white mass', unless from Arabic 15 6 style="text-align:left; background:p" p 208.98 9.78 544.7 1837 0.122 2.02 0.009 primordial solid
84 Po Polonium Latin Polonia, 'Poland', home country of Marie Curie 16 6 style="text-align:left; background:p" p 209 9.196 527 1235 – 2.0 2×10−10 from decay solid
85 At Astatine Greek ástatos, 'unstable' 17 6 style="text-align:left; background:p" p 210 (8.91–8.95) 575 610 – 2.2 3×10−20 from decay solid
86 Rn Radon Radium emanation, originally the name of the isotope Radon-222 18 6 style="text-align:left; background:p" p 222 0.00973 202 211.3 0.094 2.2 4×10−13 from decay gas
87 Fr Francium France, home country of discoverer Marguerite Perey 1 7 style="text-align:left; background:s" s 223 (2.48) 281 890 – >0.79 ~ 1×10−18 from decay solid
88 Ra Radium French radium, from Latin radius, 'ray' 2 7 style="text-align:left; background:s" s 226 5.5 973 2010 0.094 0.9 9×10−7 from decay solid
89 Ac Actinium Greek aktís, 'ray' 3 7 style="text-align:left; background:d" d 227 10 1323 3471 0.12 1.1 5.5×10−10 from decay solid
90 Th Thorium Thor, the Scandinavian god of thunder n/a 7 style="text-align:left; background:f" f 232.04 11.7 2115 5061 0.113 1.3 9.6 primordial solid
91 Pa Protactinium Proto- (from Greek prôtos, 'first, before') + actinium, since actinium is produced through the radioactive decay of protactinium n/a 7 style="text-align:left; background:f" f 231.04 15.37 1841 4300 – 1.5 1.4×10−6 from decay solid
92 U Uranium Uranus, the seventh planet in the Solar System n/a 7 style="text-align:left; background:f" f 238.03 19.1 1405.3 4404 0.116 1.38 2.7 primordial solid
93 Np Neptunium Neptune, the eighth planet in the Solar System n/a 7 style="text-align:left; background:f" f 237 20.45 917 4273 – 1.36 ≤ 3×10−12 from decay solid
94 Pu Plutonium Pluto, a dwarf planet, considered a planet in the Solar System at the time n/a 7 style="text-align:left; background:f" f 244 19.85 912.5 3501 – 1.28 ≤ 3×10−11 from decay solid
95 Am Americium The Americas, where the element was first synthesised, by analogy with its homologue § europium n/a 7 style="text-align:left; background:f" f 243 12 1449 2880 – 1.13 – synthetic solid
96 Cm Curium Pierre Curie and Marie Curie, French physicists and chemists n/a 7 style="text-align:left; background:f" f 247 13.51 1613 3383 – 1.28 – synthetic solid
97 Bk Berkelium Berkeley, California, where the element was first synthesised n/a 7 style="text-align:left; background:f" f 247 14.78 1259 2900 – 1.3 – synthetic solid
98 Cf Californium California, where the element was first synthesised in the LBNL laboratory n/a 7 style="text-align:left; background:f" f 251 15.1 1173 (1743) – 1.3 – synthetic solid
99 Es Einsteinium Albert Einstein, German physicist n/a 7 style="text-align:left; background:f" f 252 8.84 1133 (1269) – 1.3 – synthetic solid
100 Fm Fermium Enrico Fermi, Italian physicist n/a 7 style="text-align:left; background:f" f 257 (9.7) (1125)
(1800)		 – – 1.3 – synthetic unknown phase
101 Md Mendelevium Dmitri Mendeleev, Russian chemist who proposed the periodic table n/a 7 style="text-align:left; background:f" f 258 (10.3) (1100) – – 1.3 – synthetic unknown phase
102 No Nobelium Alfred Nobel, Swedish chemist and engineer n/a 7 style="text-align:left; background:f" f 259 (9.9) (1100) – – 1.3 – synthetic unknown phase
103 Lr Lawrencium Ernest Lawrence, American physicist n/a 7 style="text-align:left; background:f" f 266 (14.4) (1900) – – 1.3 – synthetic unknown phase
104 Rf Rutherfordium Ernest Rutherford, chemist and physicist from New Zealand 4 7 style="text-align:left; background:d" d 267 (17) (2400) (5800) – – – synthetic unknown phase
105 Db Dubnium Dubna, Russia, where the element was discovered in the JINR laboratory 5 7 style="text-align:left; background:d" d 268 (21.6) – – – – – synthetic unknown phase
106 Sg Seaborgium Glenn T. Seaborg, American chemist 6 7 style="text-align:left; background:d" d 269 (23–24) – – – – – synthetic unknown phase
107 Bh Bohrium Niels Bohr, Danish physicist 7 7 style="text-align:left; background:d" d 270 (26–27) – – – – – synthetic unknown phase
108 Hs Hassium Neo-Latin Hassia, 'Hesse', a state in Germany 8 7 style="text-align:left; background:d" d 270 (27–29) – – – – – synthetic unknown phase
109 Mt Meitnerium Lise Meitner, Austrian physicist 9 7 style="text-align:left; background:d" d 278 (27–28) – – – – – synthetic unknown phase
110 Ds Darmstadtium Darmstadt, Germany, where the element was first synthesised in the GSI laboratories 10 7 style="text-align:left; background:d" d 281 (26–27) – – – – – synthetic unknown phase
111 Rg Roentgenium Wilhelm Conrad Röntgen, German physicist 11 7 style="text-align:left; background:d" d 282 (22–24) – – – – – synthetic unknown phase
112 Cn Copernicium Nicolaus Copernicus, Polish astronomer 12 7 style="text-align:left; background:d" d 285 (14.0) (283±11) (340±10) – – – synthetic unknown phase
113 Nh Nihonium Japanese Nihon, 'Japan', where the element was first synthesised in the Riken laboratories 13 7 style="text-align:left; background:p" p 286 (16) (700) (1400) – – – synthetic unknown phase
114 Fl Flerovium Joint Institute for Nuclear Research, part of JINR, where the element was synthesised; itself named after Georgy Flyorov, Russian physicist 14 7 style="text-align:left; background:p" p 289 (11.4±0.3) (284±50) – – – – synthetic unknown phase
115 Mc Moscovium Moscow, Russia, where the element was first synthesised in the JINR laboratories 15 7 style="text-align:left; background:p" p 290 (13.5) (700) (1400) – – – synthetic unknown phase
116 Lv Livermorium Lawrence Livermore National Laboratory in Livermore, California 16 7 style="text-align:left; background:p" p 293 (12.9) (700) (1100) – – – synthetic unknown phase
117 Ts Tennessine Tennessee, United States, where Oak Ridge National Laboratory is located 17 7 style="text-align:left; background:p" p 294 (7.1–7.3) (700) (883) – – – synthetic unknown phase
118 Og Oganesson Yuri Oganessian, Russian physicist 18 7 style="text-align:left; background:p" p 294 (7) (325±15) (450±10) – – – synthetic unknown phase

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