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An ion is a positively or negatively charged atom (or group of atoms) which is formed by loss or gain of electron(s) by an atom (or group of atoms)
An ion is a positively or negatively charged atom (or group of atoms) which is formed by loss or gain of electron(s) by an atom (or group of atoms)
true
Monoatomic molecules are elements having only one atom in their molecules
Monoatomic molecules are elements having only one atom in their molecules
true
The number of electrons that an atom can lose, gain or share during a chemical reaction is called its valency
The number of electrons that an atom can lose, gain or share during a chemical reaction is called its valency
true
The valency of an element is a measure of its combining power with other elements
The valency of an element is a measure of its combining power with other elements
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Diatomic molecules are elements having two atoms in their molecules
Diatomic molecules are elements having two atoms in their molecules
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