Asked by b
Which best describes a compound such as magnesium oxide?
an impure substance that is made up of two elements
a mixture of two uncommon substances
a mixture of two common elements
a pure substance that is made up of different elements
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a pure substance that is made up of different elements
Magnesium oxide (MgO) is a chemical compound — a pure substance with a fixed chemical formula made of magnesium and oxygen atoms chemically bonded, not a mixture.
Magnesium oxide (MgO) is a chemical compound — a pure substance with a fixed chemical formula made of magnesium and oxygen atoms chemically bonded, not a mixture.
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