Molecule

IMPORTANT

Molecule: Overview

This topic covers concepts, such as, Molecule, Molecules of Elements, Molecules of Noble Gases, Molecules of Non-Metals, Atomicity, Molecules of Compounds, Molecule of Ammonia, Molecule of Carbon Dioxide & Ratio by Mass in Compounds etc.

Important Questions on Molecule

EASY
IMPORTANT

Ammonia, NH3 , is a chemical compound composed of one nitrogen atom and three _____ atoms. 

MEDIUM
IMPORTANT

List the combining elements in a molecule of ammonia. Also find their ratio by mass.

MEDIUM
IMPORTANT

Ammonia is a chemical compound composed of one oxygen atom and three hydrogen atoms.

EASY
IMPORTANT

The chemical formula of ammonia is _____.

MEDIUM
IMPORTANT

Name the combining elements in the molecule of ammonia.

EASY
IMPORTANT

The number of atoms of an element that join together to form a molecule of that element is known as the _____ of that molecule.

EASY
IMPORTANT

The atomicity of Argon is _____.

EASY
IMPORTANT

The minute particles of an element or compound which can exist independently and expresses all the characteristics properties of that compound is termed as a _____.

EASY
IMPORTANT

_____ is a group of two or more atoms which are joined together by chemical bond, which cannot be separated by general physical methods.

MEDIUM
IMPORTANT

Define atomicity.

MEDIUM
IMPORTANT

Give five examples of monoatomic molecules.

HARD
IMPORTANT

Differentiate between the molecule of an element and the molecule of a compound. Give examples.

EASY
IMPORTANT

 _____molecule contains three atoms of oxygen and has a formula O3.

EASY
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_____ is an example of a triatomic molecule of an element.

EASY
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_____ is an example of a triatomic molecule of an element.

EASY
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Helium is an example of _____ molecule.

EASY
IMPORTANT

The symbol of mercury is _____.

EASY
IMPORTANT

Give one or two word(s) for the following:

It is the symbolic representation of molecular composition.

EASY
IMPORTANT

Give one or two word(s) for the following:

Smallest unit consisting of a group of atoms.

MEDIUM
IMPORTANT

Give one or two word(s) for the following:

Number of atoms present in a molecule of an element or compound.