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hydrogen
1+
helium
0
lithium
1+
beryllium
2+
boron
3-, 3+
carbon
4+
nitrogen
3-
oxygen
2-
fluorine
1-
neon
0
sodium
1+
magnesium
2+
aluminum
3+
silicon
4+, 4-
phosphorus
5+, 3+, 3-
sulfur
2-, 2+, 4+, 6+
chlorine
1-
argon
0
potassium
1+
calcium
2+
scandium
3+
titanium
4+, 3+
vanadium
2+, 3+, 4+, 5+
chromium
2+, 3+,
manganese
2+, 4+, 7+
iron
2+, 3+
cobalt
1+, 2+, 3+
nickel
2+
copper
1+, 2+, 3+, 6+
zinc
2+
gallium
3+
germanium
4-, 2+, 4+
arsenic
3-, 3+, 5+
selenium
2-, 4+, 6+
bromine
1-, 1+, 5+
krypton
0
rubidium
1+
strontium
2+
yttrium
3+
zirconium
4+
niobium
3+, 5+
molybdenum
3+, 6+
technetium
6+
ruthenium
3+, 4+, 8+
rhodium
4+
palladium
2+, 4+
silver
1+
cadmium
2+
indium
3+
tin
2+, 4+
antimony
3-, 3+, 5+
tellurium
2-, 4+, 6+
iodine
1-
xenon
0
cesium
1+
barium
2+
lanthanum
3+
cerium
3+, 4+
praseodymium
3+
neodymium
3+, 4+
promethium
3+
samarium
3+
europium
3+
gadolinium
3+
terbium
3+, 4+
dysprosium
3+
holmium
3+
erbium
3+
thulium
3+
ytterbium
3+
lutetium
3+
hafnium
4+
tantalum
5+
tungsten
6+
rhenium
2+, 4+, 6+, 7+
osmium
3+, 4+, 6+, 8+
iridium
3+, 4+, 6+
platinum
2+, 4+, 6+
gold
1+, 2+, 3+
mercury
1+, 2+
thallium
1+, 3+
lead
2+, 4+
bismuth
3+
polonium
2+, 4+
astatine
1-
radon
0
francium
1+
radium
2+
actinium
3+
thorium
4+
protactinium
5+
uranium
3+, 4+, 6+