The correct answer is:
d The magnesium atom lost two electrons. The ion has a positive two charge.
When a magnesium atom loses two electrons, it becomes a magnesium ion with a charge of +2, commonly written as Mg²⁺.
Use the pictures below to answer these questions:
How does Magnesium become an ion? What is the charge of the Magnesium ion?
a
The magnesium atom lost two electrons. The ion has a negative two charge.
b
The magnesium atom gained two electrons. The ion has a positive two charge.
c
The magnesium atom gained two electrons. The ion has a negative two charge.
d
The magnesium atom lost two electrons. The ion has a positive two charge.
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