Physics, asked by dawsonhealthcare, 1 year ago

Valence electrons of first 20 elements

Answers

Answered by user99977
2

Answer:

Hydrogen-1

helium-2

lithium-1

beryllium-2

boron-3

carbon-4

nitrogen-5

oxygen-6

fluroine-7

neon-8

sodium-1

magnesium-2

aluminium-3

silicon-4

phosphorus-5

sulphur-6

chlorine-7

argon-8

potassium-1

calcium-2

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