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How do atoms of copper differ from atoms of aluminum? *
They are not pure substances.
They have different chemical properties.
They can be formed by physical changes.
They are made up of more than one type of particle.

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chnavya26

Answer:

The copper atoms are smaller than the aluminum atoms so more copper atoms fit in the same volume. ... Copper is more dense than aluminum. The copper must be more dense because when you compare equal volumes of the two substances, the copper has greater mass

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