Oxygen Has Atomic Number 8

question 48

Multiple Choice

Oxygen has atomic number 8.How many times must an oxygen atom be ionized to create an O⁺⁵ ion,and how many electrons will the ion have?

• A)It must be ionized three times;it now has five electrons.
• B)It must be ionized five times;it now has five electrons.
• C)It must be ionized five times;it now has three electrons.
• D)It doesn't have to be ionized;it just needs to gain five protons.
• E)It doesn't have to be ionized;it already has only three electrons.

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