Template:PeriodicTable atomic weights 4-figs

Group →	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18
↓ Period
1	H 1.008																	He 4.003
2	Li 6.941(2)†	Be 9.012											B 10.81#	C 12.01	N 14.01	O 16.00	F 19.00	Ne 20.18
3	Na 22.99	Mg 24.31											Al 26.98	Si 28.09	P 30.97	S 32.07#	Cl 35.45	Ar 39.95
4	K 39.10	Ca 40.08#	Sc  44.96	Ti 47.87	V 50.94	Cr 52.00	Mn 54.94	Fe 55.84	Co 58.93	Ni 58.69	Cu 63.55	Zn 65.38(2)	Ga 69.72	Ge 72.61	As 74.92	Se 78.96(3)	Br 79.90	Kr 83.80#
5	Rb 85.47#	Sr 87.62#	Y 88.91	Zr 91.22#	Nb 92.91	Mo 95.96(2)	Tc [98.91]	Ru 101.1#	Rh 102.9	Pd 106.4#	Ag 107.9#	Cd 112.4#	In 114.8	Sn 118.7#	Sb 121.8#	Te 127.6#	I 126.9	Xe 131.3#
6	Cs 132.9	Ba 137.3	*	Hf 178.5	Ta 180.9	W 183.9	Re 186.2	Os 190.2	Ir 192.2	Pt 195.1	Au 197.0	Hg 200.6	Tl 204.4	Pb 207.2#	Bi 209.0	Po [210.0]	At [210.0]	Rn [222.0]
7	Fr [223.0]	Ra [226.0]	**	Rf [263]	Db [262]	Sg [266]	Bh [264]	Hs [269]	Mt [268]	Ds [272]	Rg [272]	Cn [277]	Uut [284]	Uuq [289]	Uup [288]	Uuh [292]	Uus	Uuo [293]
* Lanthanoids				La 138.9	Ce 140.1#	Pr 140.9	Nd 144.2#	Pm [146.9]	Sm 150.4#	Eu 152.0#	Gd 157.3#	Tb 158.9	Dy 162.5#	Ho 164.9	Er 167.3#	Tm 168.9	Yb 173.1#	Lu 175.0
** Actinoids				Ac [227.0]	Th 232.0	Pa 231.0	U 238.0#	Np [237.0]	Pu [239.1]	Am [241.1]	Cm [244.1]	Bk [249.1]	Cf [252.1]	Es [252]	Fm [257]	Md [258]	No [259]	Lr [262]

Element categories in the periodic table Metals Metalloids Nonmetals (Unknown) Alkali metals Alkaline earth metals Inner transition elements Transition elements Other metals Other nonmetals Halogens Noble gases Lanthanides Actinides

Borders show natural occurrence Primordial From decay Synthetic (Undiscovered)

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