MEDIUM
9th CBSE
IMPORTANT
Earn 100

Give the three applications of isotopes.

Important Questions on Structure of the Atom

EASY
9th CBSE
IMPORTANT
Give any three characteristics of isobars.
EASY
9th CBSE
IMPORTANT
Compare any three characteristics of isotopes with those of isobars.
MEDIUM
9th CBSE
IMPORTANT

How can we calculate the valency of an element? The atomic number of an element is 16. Write down its electronic configuration.

EASY
9th CBSE
IMPORTANT

The atomic number of an element is 16. What will be its valency?

EASY
9th CBSE
IMPORTANT

The nucleus of an atom has 3 protons and 4 neutrons. Calculate its atomic number.

EASY
9th CBSE
IMPORTANT

The nucleus of an atom has 3 protons and 4 neutrons. Calculate its mass number.

EASY
9th CBSE
IMPORTANT

The nucleus of an atom has 3 protons and 4 neutrons. Calculate the number of electrons.

EASY
9th CBSE
IMPORTANT

The nucleus of an atom has 3 protons and 4 neutrons. Calculate the number of valence electrons per atom of this element.