The number of electrons in the valence shell of calcium is

Options :
  1. 6
  2. 2
  3. 8
  4. 4
Answer and Explanation :-

Answer: Option 2

Explanation:

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CALVIN:This whole Santa Claus thing just doesn't make sense. Why all the secrecy? Why all the mystery?If the guy exists why doesn't he ever show himself and prove it?And if he doesn't exist what's the meaning of all this?HOBBES:I dunno. Isn't this a religious holiday? CALVIN:Yeah, but actually, I've got the same questions about God.
-Bill Watterson