Chem Ions

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How many electrons are in a neutral atom of Potassium (K, atomic number = 19)

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How many electrons are in a 1+ ion of Sodium (Na, atomic number = 11)

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How many electrons are in a 2- atom of Sulfur (S, atomic number = 16)

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What do you call an ion of Chlorine?

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What do you call an ion of Magnesium?

Multiple Choice

What charge does Calcium want to have? (Look at the Periodic Table)

• +2

• +1

• -1

• -2

Multiple Choice

What charge does Phosphorus want to have? (Look at the Periodic Table)

• +3

• +2

• 0

• -2

• -3