Question

Write the electrons configuration of Mg, Al and Si.
To which groups and periods they belong to?
[Atomic No. of mg, Al and Si are 12,13 and 14]
respectively.​

Answer 1

Explanation:

Mg = 2,8,2 (group 2, period 3)

Al = 2,8,3 (group 3, period 3)

Si = 2,8,4 (group 4, period 3)

Answer 2

Answer:

Electronic configuration:-

1) Mg = 2,8,2

group:- 2 and period:-3

2) Al = 2,8,3

group:-3 and period:-3

3) Si = 2,8,4

group:-4 and period:-3

Explanation:

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