EASY
9th ICSE
IMPORTANT
Earn 100

Name a non-polar covalent compound containing two pairs of electrons.

Important Questions on Atomic Structure and Chemical Bonding

EASY
9th ICSE
IMPORTANT
How many covalent bonds are formed during the formation of water molecule?
EASY
9th ICSE
IMPORTANT
The size of an atom is decided by the number of _____.
EASY
9th ICSE
IMPORTANT
Neutron has mass roughly equal to _____.
EASY
9th ICSE
IMPORTANT
Almost all the mass of an atom is concentrated in a small region, called _____.
EASY
9th ICSE
IMPORTANT
Rutherford's a-particle scattering experiment was responsible for the discovery of _____.
EASY
9th ICSE
IMPORTANT
According to Bohr's model, an atom has discrete _____ levels.
EASY
9th ICSE
IMPORTANT
_____  is an element with atomic number three.
EASY
9th ICSE
IMPORTANT
First energy level can have maximum _____ electrons.(number)