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Mass Number and Representation of Atom

If the number...

Question

If the number of electrons in an ion Z^3–is 10, the atomic number of element Z will be :
(a) 7
(b) 5
(c) 10
(d) 8

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Solution

(a) 7
If the number of electrons in an ion Z^3– is 10, the atomic number of element Z will be 7 because the ion is formed by gaining three electrons.

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Mass Number and Representation of Atom

Standard IX Chemistry

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