MEDIUM
9th CBSE
IMPORTANT
Earn 100

Isotopes have same chemical properties but different physical properties. Explain.

Important Questions on Structure of Atom
EASY
9th CBSE
IMPORTANT

MEDIUM
9th CBSE
IMPORTANT

MEDIUM
9th CBSE
IMPORTANT
Write the electronic configurations of and .

EASY
9th CBSE
IMPORTANT
Electrons are present in all matter and carry negative charge.

EASY
9th CBSE
IMPORTANT
In , number of electrons are more than the number of protons.

EASY
9th CBSE
IMPORTANT
The number of neutrons in the atoms of an element is equal to its atomic number.

EASY
9th CBSE
IMPORTANT
Atomic number is an average quantity.

EASY
9th CBSE
IMPORTANT
Explain:
Nucleus of an atom carries positive charge.
