EASY
9th CBSE
IMPORTANT
Earn 100

What is the nature of a charge on a proton? (positive or negative)

Important Questions on Structure of Atom

MEDIUM
9th CBSE
IMPORTANT
Secondary Chemistry>Chapter 4 - Structure of Atom>Problems for Proficiency>Q 6
Name the scientist who verified the presence of neutrons in the nucleus of atoms?
EASY
9th CBSE
IMPORTANT
Secondary Chemistry>Chapter 4 - Structure of Atom>Problems for Proficiency>Q 7
What is the charge on a neutron?
EASY
9th CBSE
IMPORTANT
Secondary Chemistry>Chapter 4 - Structure of Atom>Problems for Proficiency>Q 8
Name the atom which does not contain any neutron in the nucleus.
MEDIUM
9th CBSE
IMPORTANT
Secondary Chemistry>Chapter 4 - Structure of Atom>Problems for Proficiency>Q 9
Compare the relative masses of electron, proton, and a neutron.
MEDIUM
9th CBSE
IMPORTANT
Secondary Chemistry>Chapter 4 - Structure of Atom>Problems for Proficiency>Q 10
What is the net charge of an atom?
MEDIUM
9th CBSE
IMPORTANT
Secondary Chemistry>Chapter 4 - Structure of Atom>Problems for Proficiency>Q 11

The atomic number of aluminium is 13. What is the number of protons and electrons in Al?

MEDIUM
9th CBSE
IMPORTANT
Secondary Chemistry>Chapter 4 - Structure of Atom>Problems for Proficiency>Q 12
The atomic number of an element is 16. If its mass number is 34, find the number of neutrons.
MEDIUM
9th CBSE
IMPORTANT
Secondary Chemistry>Chapter 4 - Structure of Atom>Problems for Proficiency>Q 13
Write the number of protons, neutrons and electrons in Mg1224.