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Chemistry CBSE Live product
Class 9
Structure of the atom
Annual Revision III - Structure of the atom
2.
Formation of ions and their charges
Question:
1
m.
Choose the best answer:
Magnesium has 2 electrons in its outermost shell. To attain a stable configuration, it loses 2 electrons. The ion formed and its charge will be:
\(Mg^{3+}\)
\(Mg^{2+}\)
\(Mg^{2-}\)
\(Mg^2\)
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