Group → | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | ||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
IA | IIA | IIIB | IVB | VB | VIB | VIIB | VIIIB | VIIIB | VIIIB | IB | IIB | IIIA | IVA | VA | VIA | VIIA | VIIIA | |||
↓ Period | ||||||||||||||||||||
1 | hydrogen 1.00794(7)
|
helium 4.002602(2)
| ||||||||||||||||||
2 | lithium 6.941(2)
|
beryllium 9.012182(3)
|
boron 10.811(7)
|
carbon 12.0107(8)
|
nitrogen 14.00674(7)
|
oxygen 15.9994(3)
|
fluorine 18.9984032(5)
|
neon 20.1797(6)
| ||||||||||||
3 | sodium 22.98976928(2)
|
magnesium 24.3050(6)
|
aluminium 26.9815386(8)
|
silicon 28.0855(3)
|
phosphorus 30.973762(2)
|
sulfur 32.066(6)
|
chlorine 35.4527(9)
|
argon 39.948(1)
| ||||||||||||
4 | potassium 39.0983(1)
|
calcium 40.078(4)
|
scandium 44.955912(6)
|
titanium 47.867(1)
|
vanadium 50.9415(1)
|
chromium 51.9961(6)
|
manganese 54.938045(5)
|
iron 55.845(2)
|
cobalt 58.933195(5)
|
nickel 58.6934(2)
|
copper 63.546(3)
|
zinc 65.39(2)
|
gallium 69.723(1)
|
germanium 72.61(2)
|
arsenic 74.92160(2)
|
selenium 78.96(3)
|
bromine 79.904(1)
|
krypton 83.80(1)
| ||
5 | rubidium 85.4678(3)
|
strontium 87.62(1)
|
yttrium 90585(2)
|
zirconium 91.224(2)
|
niobium 92.90638(2)
|
molybdenum 95.94(1)
|
technetium [97.9072]
|
ruthenium 101.07(2)
|
rhodium 102.90550(2)
|
palladium 106.42(1)
|
silver 107.8682(2)
|
cadmium 112.411(8)
|
indium 114.818(3)
|
tin 118.710(7)
|
antimony 121.760(1)
|
tellurium 127.60(3)
|
iodine 126.90447(3)
|
xenon 131.29(2)
| ||
6 | caesium 132.9054519(2)
|
barium 137.327(7)
|
57-71 * Lanthanides |
hafnium 178.49(2)
|
tantalum 180.94788(2)
|
tungsten 183.84(1)
|
rhenium 186.207(1)
|
osmium 190.23(3)
|
iridium 192.217(3)
|
platinum 195.084(9)
|
gold 196.966569(4)
|
mercury 200.59(2)
|
thallium 204.3833(2)
|
lead 207.2(1)
|
bismuth 208.98040(1)
|
polonium [208.9824]
|
astatine [209.9871]
|
radon [222.0176]
| ||
7 | francium [223.0197]
|
radium [226.0254]
|
89-103 ** Actinides |
rutherfordium [263.1125]
|
dubnium [262.1144]
|
seaborgium [266.1219]
|
bohrium [264.1247]
|
hassium [269.1341]
|
meitnerium [268.1388]
|
darmstadtium [272.1463]
|
roentgenium [272.1535]
|
ununbium [277]
|
ununtrium [284]
|
ununquadium [289]
|
ununpentium [288]
|
ununhexium [292]
|
ununseptium 117 Uus [291] |
ununoctium 118 Uuo [293] | ||
* Lanthanides | lanthanum 138.90547(7)
|
cerium 140.116(1)
|
praseodymium 140.90765(2)
|
neodymium 144.242(3)
|
promethium [144.9127]
|
samarium 150.36(2)
|
europium 151.964(1)
|
gadolinium 157.25(3)
|
terbium 158.92535(2)
|
dysprosium 162.500(1)
|
holmium 164.93032(2)
|
erbium 167.259(3)
|
thulium 168.93421(2)
|
ytterbium 173.04(3)
|
lutetium 174.967(1)
| |||||
** Actinides | actinium [227.0277]
|
thorium 232.03806(2)
|
protactinium 231.03588(2)
|
uranium 238.02891(3)
|
neptunium [237.0482]
|
plutonium [244.0642]
|
americium [243.0614]
|
curium [247.0703]
|
berkelium [247.0703]
|
californium [251.0796]
|
einsteinium [252.0830]
|
fermium [257.0951]
|
mendelevium [258.0984]
|
nobelium [259.1011]
|
lawrencium [262.110]
|