What is the same about the electron structures of beryllium, Magnesium and Calcium.
Answers
Answered by
20
Answer:
They all are Group 2 elements.
Explanation:
From the periodic table,we can see all are group 2 elements,i.e.,all have a valency of 2
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Answered by
7
Answer:
They all have 2 excess electrons than the octet.
Explanation:
Mg--12e..
Ca---20e
Be---4e
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