An element is a fundamental substance that cannot be broken down into simpler substances by chemical means and it is composed of atoms, each with a unique number of protons in its nucleus, known as the atomic no.
Different elements have different amount of atomic nos.
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An element is a fundamental substance that cannot be broken down into simpler substances by chemical means and it is composed of atoms, each with a unique number of protons in its nucleus, known as the atomic no.
Different elements have different amount of atomic nos.