Question

write the electronic configuration of sodium and phosphorus atom with their atomic mass and symbol ?​

Answer 1

Answer:

Electronic Configuration

Sodium: [Ne] 3s¹

Phosphorus: [Ne] 3s² 3p³

Mass:

Sodium: 22.98977

Phosphorus: 30.97376

Symbol:

Sodium: Na

Phosphorus: P

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Answer 2

Answer:

Sodium -

Na : 1s2 2s2 2p6 3s1

atomic mass = 23 u

phosphorous -

P : 1s2 2s2 2p6 3s2 2p3

atomic mass = 31 u