Question

8. Which of the following electron arrangement is correct?
Sodium (11)- 2+8+1
Potassium (19)- 2+8+9
Silicon (14)- 2+4+8
Chlorine (17)- 2+7+8

Answer 1

Answer:

potassium (19)-2+8+9

Answer 2

Answer:

The electron arrangement of (Na), Sodium (11) i.e, 2+8+1 is correct.

The correct electron arrangement of the other elements are as follows:-

• Potassium (19) → 2+8+8+1

• Silicon (14) → 2+8+4

• Chlorine (17) → 2+8+7

Therefore, the correct answer is option (a) Sodium (11) → 2+8+1

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