an element belongs to group 2 and period 3. which how many shells are present for the element
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Answer:
As it is in period 3 valence shell is 3 that is n=3 and since it's present in group 2, it has 2 valence electrons in the third shell. Hence its valence shell configuration is 3s2.
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Explanation:
the element is magnesium belongs to 2 group and 3 period
it has 3 shells
by the way I am giving u extra information here that is each atom has infinite shells.....weather it is H+ or any other
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