Science, asked by arpraba1986, 1 month ago

please say the correct answer
how the answer is 2
this from atomic structure lesson pls urgent wrong answer will be report​

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Answered by kunaltawre11
1

Answer:

are u asking the valency??

valency of calcium is +2

and if u are asking electronic configuration

then u should know how many electrons fill each shell. in the order u fill each atoms configuration.

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