valence electrons elements 1-20
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Hydrogen
1 valence electron
potassium
1 valence electron
sodium
1 valence electron
lithium
1 valence electrons
Helium
2 valence electrons
beryllium
2 valence electrons
magnesium
2 valence electrons
calcium
2 valence eletrons
aluminum
3 valence electrons
boron
3 valence electrons
carbon
4 valence electrons
silicon
4 valence electrons
nitrogen
5 valence electrons
phosphorus
5 valence electrons
oxygen
6 valence electrons
sulfur
6 valence electrons
chlorine
7 valence electrons
flourine
7 valence electrons
argon
8 valence electrons
neon
8 valence electrons