An atom X that has 12 protons and 12 electrons, loses two electrons to form an ion. What will be charge of the ion? What will be the number of protons and electrons in the ion?

Given that an atom X has 12protons and 12electrons.

Itloses 2 electrons to form an ion

We need to find the charge and the number of protons and electrons after formation of ions


When the atoms loses 2 electrons then the atom comprises of 10 electrons.

Hence the ion will have

Charge: two-unit positive charge
No. of proton = 12
No. of electron = 10
Valency = 2
Valence electron = 12

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