2. An atom is a smallest unit of matter, which has an independent existence and can retain complete physical and chemical properties.

True

No worries! We‘ve got your back. Try BYJU‘S free classes today!

False

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct option is B False
The smallest unit of an element is defined as the atom, which may or may not have its own existence but always participates in a chemical reaction.
A molecule is the smallest unit of matter with its own existence and the ability to preserve all of matter's physical and chemical features.
Therefore, a molecule is the smallest unit that has its own existence and exhibits all of the qualities of the substance.
Hence the given statement is false.

Suggest Corrections

Similar questions

An _______ is the smallest unit of matter which can exits independently and retain all the physical and chemical properties of that matter.

The smallest unit of a pure substance which always exist independently and can retain all the physical and chemical properties of that substance is called a molecule.

The statement given below is incorrect. Write the correct statement.

The smallest unit of matter which always has an independent existence is called an atom.

Assertion: Atom is the smallest portion of matter which can take part in chemical combination.

Reason: Atoms of all elements can exist independently.

(i) The smallest unit of an element, which may or may not have an independent existence, but always takes part in a chemical reaction, is called …………………. [atom/molecule]

Join BYJU'S Learning Program