EASY
9th CBSE
IMPORTANT
Earn 100

The number of neutrons and protons present in the nuclei of two atomic species A and B are given below.
Atomic Species
A
B
Protons
Neutrons
Write the mass numbers of A and B.
Important Questions on Structure of the Atom
EASY
9th CBSE
IMPORTANT
Atomic Species | A | B |
---|---|---|
Protons | ||
Neutrons | ||
What is the relation between two species?

EASY
9th CBSE
IMPORTANT
Atomic Species | A | B |
---|---|---|
Protons | ||
Neutrons |
Write the electronic configuration of atoms A and B

MEDIUM
9th CBSE
IMPORTANT


EASY
9th CBSE
IMPORTANT
What is such a particle called?

EASY
9th CBSE
IMPORTANT
What is the mass number of .

EASY
9th CBSE
IMPORTANT
What is the atomic number of .

MEDIUM
9th CBSE
IMPORTANT

EASY
9th CBSE
IMPORTANT
Calculate the mass number of the element.
