Multiple Choice
Which process is required for magnesium to form the ion Mg^{2+}?
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2. Atoms & Elements
Ions
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What is the net charge of an ion that has 11 protons and 10 electrons?
A
-1
B
+1
C
+2
D
0
Verified step by step guidance1
Recall that the net charge of an ion is determined by the difference between the number of protons (positively charged) and electrons (negatively charged).
Write down the number of protons: 11 (each with a charge of +1).
Write down the number of electrons: 10 (each with a charge of -1).
Calculate the net charge using the formula: $\text{Net charge} = (+1) \times \text{number of protons} + (-1) \times \text{number of electrons}$.
Substitute the values: $\text{Net charge} = (+1) \times 11 + (-1) \times 10$ and simplify to find the net charge.
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