Chemistry, asked by Anonymous, 6 days ago

Hey guys...☺️
WRITE THE ELECTRONIC CONFIGURATION AND VALENCY OF :
1. POTASSIUM
2. SODIUM
3. IRON
4. CALCIUM
5. OXYGEN

Answers

Answered by varshasendal

2

Answer:

above is your answer

I HOPE it helps you

Attachments:

Answered by UnluckyboyTHOWFIQ

2

Explanation:

For Iron

Electronic configuration = 1s2 2s2 2p6 3s2 3p6 4s2 3d6

Valency= 2 , 3

Attachments:

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