Question

I want valency of all elements.

Answer 1

Explanation:

for valencies first you have to lear atomic number at least 1 to 20 and then the electronic configuration ,the last number of Electronic configuration is the valency like it would be 1,2,3.

Answer 2

HYDROGEN 1

HELIUM 0

LITHIUM 1

BERYLLIUM 2

BORON 3

CARBON 4

NITROGEN 3

OXYGEN 2

FLUORINE 1

NEON 0

SODIUM 1

MAGNESIUM 2

ALUMINIUM 3

SILICON 4

PHOSPHORUS 3

SULFUR 2

CHLORINE 1

ARGON 0

POTASSIUM 1

CALCIUM 2

HOPE IT HELPS❤❤❤