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Question

Molecules are of three types: Molecule of an atom, Molecule of an element and Molecule of a compound.


A
True
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B
False
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Solution

The correct option is A True

Molecule :

  • A molecule is a group of two or more atoms chemically bonded together.
  • A molecule is the smallest particle of an element or a compound that has properties of the element or the compound and can exist in a free state.

Molecule of an atom:

  • Noble gas molecules are monoatomic.
  • Noble gases are chemically unreactive and do not combine. Hence, one molecule of a noble gas has one atom.
  • For example, Neon(Ne),Argon(Ar),e.t.c.

Molecule of an element:

  • The molecule of an element is made of the same type of atom that is an atom of the same element.
  • For example, Hydrogen(H2),Oxygen(O2),Nitrogen(N2),e.t.c

Molecule of a compound:

  • The molecule of a compound is made of two or more different kinds of atoms.
  • For example, Carbondioxide(CO2),Water(H2O),Hydrochloricacid(HCl),e.t.c.

​Thus, the given statement is true. I.e., Molecules are of three types: The molecule of an atom, the molecule of an element, and the molecule of a compound.


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