If an element 'X' is placed in the same group as Ca , its valency will be
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If an element is present in the same group as calcium then its valency will be equal to plus 2.
Explanation:
- this is because calcium and all the other elements which belong to the period of alkaline earth metal consists of only two electrons in the outermost orbit.
- This two electrons are present in the a s orbital of the The outermost orbit. As a result of this the lever it the two electron to form electrovalent Bond with other substances. Hence all such compounds will have the same valency
To know more,
What are groups and periods in the periodic table ? Two elements X ...
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