EASY
7th ICSE
IMPORTANT
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A cation is formed when an atom gains an electron.

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Important Questions on Atomic Structure

EASY
7th ICSE
IMPORTANT
Inspired Chemistry-7>Chapter 4 - Atomic Structure>Stop and Check>Q 3
A polyatomic ion is a group of atoms of one element.
EASY
7th ICSE
IMPORTANT
Inspired Chemistry-7>Chapter 4 - Atomic Structure>Stop and Check>Q 4
The valency of an element is its combining capacity.
EASY
7th ICSE
IMPORTANT
Inspired Chemistry-7>Chapter 4 - Atomic Structure>Stop and Check>Q 5
The valency of an element is always one fixed number.
EASY
7th ICSE
IMPORTANT
Inspired Chemistry-7>Chapter 4 - Atomic Structure>Stop and Check>Q 6
Element in period 1 of the periodic table have a valency of 1.
EASY
7th ICSE
IMPORTANT
Inspired Chemistry-7>Chapter 4 - Atomic Structure>CHECKPOINT>Q 1
_____ are the subatomic particles that determine which element an atom is.
EASY
7th ICSE
IMPORTANT
Inspired Chemistry-7>Chapter 4 - Atomic Structure>CHECKPOINT>Q 2
A group of atoms that can exist independently is called a/an _____.
EASY
7th ICSE
IMPORTANT
Inspired Chemistry-7>Chapter 4 - Atomic Structure>CHECKPOINT>Q 3
The number of atoms present in a molecule is the _____ of the molecule.
EASY
7th ICSE
IMPORTANT
Inspired Chemistry-7>Chapter 4 - Atomic Structure>CHECKPOINT>Q 4
Which of the following has a valency of 3?