EASY
9th ICSE
IMPORTANT
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Almost all the mass of an atom is concentrated in a small region, called .

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Important Questions on Atomic Structure and Chemical Bonding

EASY
9th ICSE
IMPORTANT
All In One ICSE Chemistry>Chapter 4 - Atomic Structure and Chemical Bonding>EXAM PRACTICE>Q 4
Rutherford's a-particle scattering experiment was responsible for the discovery of _____.
EASY
9th ICSE
IMPORTANT
All In One ICSE Chemistry>Chapter 4 - Atomic Structure and Chemical Bonding>EXAM PRACTICE>Q 5
According to Bohr's model, an atom has discrete _____ levels.
EASY
9th ICSE
IMPORTANT
All In One ICSE Chemistry>Chapter 4 - Atomic Structure and Chemical Bonding>EXAM PRACTICE>Q 6
_____  is an element with atomic number three.
EASY
9th ICSE
IMPORTANT
All In One ICSE Chemistry>Chapter 4 - Atomic Structure and Chemical Bonding>EXAM PRACTICE>Q 8
First energy level can have maximum _____ electrons.(number)
EASY
9th ICSE
IMPORTANT
All In One ICSE Chemistry>Chapter 4 - Atomic Structure and Chemical Bonding>EXAM PRACTICE>Q 10
Maximum number of electrons occupied by L-shell is _____(number).
EASY
9th ICSE
IMPORTANT
All In One ICSE Chemistry>Chapter 4 - Atomic Structure and Chemical Bonding>EXAM PRACTICE>Q 11
An element having atomic number 13 has valency equal to _____.(In words)
EASY
9th ICSE
IMPORTANT
All In One ICSE Chemistry>Chapter 4 - Atomic Structure and Chemical Bonding>EXAM PRACTICE>Q 16
Name of the smallest particle which can take part in a chemical reaction independently is
EASY
9th ICSE
IMPORTANT
All In One ICSE Chemistry>Chapter 4 - Atomic Structure and Chemical Bonding>EXAM PRACTICE>Q 17
The constituent particle of an element having properties similar to those of element is