A compound is defined as two or more different elements bonded together in an ionic or covalent bonding arrangement. Any individual compound has a fixed ratio of its elements. The elements do not retain their individual chemical properties. Thus, option "C" is correct.
<h3>What is a compound?</h3>
A substance that has two or more different atoms which are chemically combined with each other in a fixed ratio by mass is known as a compound.
For example,
Here, contains one atom of calcium and two atoms of chlorine which are chemically combined together in 1:2 ratio. Therefore, it is a compound.
Also, both chemical and physical properties of will be different from Ca and chloride.
Thus, option "C" is correct.
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