MEDIUM
7th Tamil Nadu Board
IMPORTANT
Earn 100

What are the characteristics of the proton?

Important Questions on Atomic Structure

MEDIUM
7th Tamil Nadu Board
IMPORTANT
Tamil Nadu Board Class 7 Science Term 1>Chapter 4 - Atomic Structure>Evaluation>Q VII
Why neutrons are called neutral particles?
MEDIUM
7th Tamil Nadu Board
IMPORTANT
Tamil Nadu Board Class 7 Science Term 1>Chapter 4 - Atomic Structure>Evaluation>Q VIII
Distinguish between isotopes and isobars.
HARD
7th Tamil Nadu Board
IMPORTANT
Tamil Nadu Board Class 7 Science Term 1>Chapter 4 - Atomic Structure>Evaluation>Q VIII
What are isotones, give one example?
HARD
7th Tamil Nadu Board
IMPORTANT
Tamil Nadu Board Class 7 Science Term 1>Chapter 4 - Atomic Structure>Evaluation>Q VIII
Differentiate between atomic number and mass number.
HARD
7th Tamil Nadu Board
IMPORTANT
Tamil Nadu Board Class 7 Science Term 1>Chapter 4 - Atomic Structure>Evaluation>Q VIII
The atomic number of an element is 9, it has 10 neutrons. Find the element from the periodic table. What will be its mass number?
HARD
7th Tamil Nadu Board
IMPORTANT
Tamil Nadu Board Class 7 Science Term 1>Chapter 4 - Atomic Structure>Evaluation>Q IX
Draw the atom structure and explain the position of the subatomic particles.
HARD
7th Tamil Nadu Board
IMPORTANT
Tamil Nadu Board Class 7 Science Term 1>Chapter 4 - Atomic Structure>Evaluation>Q IX

The atomic number and the mass number of an element are 26 and 56 respectively. Calculate the number of electrons, protons and neutrons in its atom. Draw the structure.

HARD
7th Tamil Nadu Board
IMPORTANT
Tamil Nadu Board Class 7 Science Term 1>Chapter 4 - Atomic Structure>Evaluation>Q IX

What are nucleons? Why are they called so? Write the properties of the nucleons.