EASY
9th ICSE
IMPORTANT
Earn 100

Name the scientist who discovered nucleus.

Important Questions on Atomic Structure and Chemical Bonding

EASY
9th ICSE
IMPORTANT
What is the atomic number and mass number of X in X1735?
EASY
9th ICSE
IMPORTANT
How many protons, neutrons and electrons are there in element X1735.
EASY
9th ICSE
IMPORTANT
Give the electronic configuration of element X in X1735.
EASY
9th ICSE
IMPORTANT
How many valence electrons are present in X1735?
MEDIUM
9th ICSE
IMPORTANT
Identify element X and its actual mass number in X1735? Give reason for your answer.
EASY
9th ICSE
IMPORTANT
Give reason why mass of an atom is concentrated inside the nucleus of an atom?
EASY
9th ICSE
IMPORTANT
During the scattering experiment conducted by Rutherford many particles passed undeflected. Give reasons.
EASY
9th ICSE
IMPORTANT
Give reason why during the scattering experiment conducted by Rutherford some particles experienced a minor deflection?