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- Engineering
- Of the given alkaline Earth metals the one with the smallest size is? Option: 1 Ra Option: 2<
- #Chemistry
- #Class 11
- #VIT Engineering Entrance Exam
- #Engineering
- #Classification of Elements and Periodic table
Of the given alkaline Earth metals the one with the smallest size is?
Option: 1
Ra
Option: 2
Sr
Option: 3
Ba
Option: 4
Mg
Answers (1)
Size of atom and ion in a group -
In a group moving from top to the bottom the number of shells increases. So the size of the atom increases.
Ma < Sr < Ba < Ra
So, Mg has the smallest size among the given elements.
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