Question

An electron with element X has atomic mass 12 and mass number 17 with a charge 3+ find the electrons

Answer 1

Answer:

as it's atomic no is twelve so it has twelve electron but it has 3+ charge it means it has lose three electrons and now it have only nine electrons out of the twelve electrons.

Explanation:

that is because atomic no is as similar as the no. of electrons in an atom.

Answer 2

Answer:

9 electrons

Explanation:

atomic no:12

that means 12 electron

it has 3+ charge that means it has to lose 3 electrons

12-3=9

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