Question

The number of protons in the nucleus of one atom of an element Y is 5. The symbol of ion formed by an atom of this element will be
(a) Y3−
(b) Y2+
(c) Y2−
(d) Y3+

Answer 1

Answer:

option d is correct

Explanation:

as no. of protons is 5 ,no. of electrons vl be 5

E.C is 2,3 so to become stable it vl lose 3 electron resulting in formation of ion Y3+

Answer 2

Answer:

d) Y3+

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