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A neutral oxygen atom has 8 protons and 8 electrons. It gains 2 electrons when it chemically combines with magnesium to form magnesium oxide (MgO). What is the charge of oxygen in magnesium oxide?
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A neutral oxygen atom has 8 protons and 8 electrons. It gains 2 electrons when it chemically combines with magnesium to form magnesium oxide (MgO). What is the charge of oxygen in magnesium oxide?

User Lindsay Winkler
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Answer:

in this ionic compound, oxygen has 2 excess electrons and magnesium has two electrons missing.

Step-by-step explanation:

When oxygen is mixed in a chemical reaction, it acquires two electrons from magnesium, to become an ion with 2 negative .

Mg + O → MgO

Therefore, in this ionic compound, oxygen has 2 excess electrons and magnesium has two electrons missing

User Collin Dauphinee
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