EASY
9th Telangana Board
IMPORTANT
Earn 100

The sum of the number of protons and neutrons in an atom is known as its

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Important Questions on What is inside the Atom?

MEDIUM
9th Telangana Board
IMPORTANT
Physical Science Class 9>Chapter 9 - What is inside the Atom?>Multiple choice questions>Q 9
Deuterium and Tritium are the Isotopes of 
MEDIUM
9th Telangana Board
IMPORTANT
Physical Science Class 9>Chapter 9 - What is inside the Atom?>Multiple choice questions>Q 10
The electronic configuration of Sodium is