Write down the electronic
configuration of the following
elements from the given atomic
numbers. Answer the following
question with explanation.
a. Li, Si, He, Na, SP Which of these
elements belong to be period 3?
b. H, N, 2, Ca, S, Be, Ar
Which of these elements
belong to the second group?
Answers
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1
Answer:
a.may you have written wrong instead of SP may this 'sc' which is belong to period 3.
b.. Ca and Be are belong to group second.....
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