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23-03-2020
Biology

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Which of the following pairs of compounds contain the same number of atoms, but different kinds of atoms?

Which of the following pairs of compounds contain the same number of atoms but different kinds of atoms class=

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coge4eva coge4eva

27-03-2020

Answer: A) CO2 and CaCl2

Explanation: CO2 is the chemical formula for carbon dioxide. Carbon dioxide contains a total of three atoms but two different atoms. CO2 contains one carbon atom (C) and two oxygen atoms (O2). One carbon atom plus two oxygen atoms is equal to a total of three atoms.

On the other hand, CaCl2 is the chemical formula for calcium chloride. CaCl2 contains one calcium atom and two chlorine atoms giving a total of three atoms.

Therefore CO2 and CaCl2 have the same number of atoms but different kinds of atoms.

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