Question

which element has.
1) two Shells completely filled
2) Electronic calquration 2,8, 2.
3)Two there shall and have 4 valance
Electron
4) second shell Contain twice of first sh​

Answer 1

1. helium
2. magnesium
3. carbon
4. carbon

Answer 2

Answer:

Hey mate here's your answer

1)helium

2)magnesium

3)carbon

4)carbon

Explanation:

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