CH-152
Formation of ions
Chemistry · Secondary 3 · Easy · Formation of ions
An atom of element X has 12 protons, 12 neutrons and 10 electrons.
What is X correctly described as?
What is X correctly described as?
- A neutral atom of magnesium
- A magnesium ion with a 2+ charge
- A magnesium ion with a 2− charge
- A neutral atom of sodium
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