EASY
7th ICSE
IMPORTANT
Earn 100

Who discovered the fact that an atom has a nucleus?

Important Questions on Atomic Structure

EASY
7th ICSE
IMPORTANT
Innovative Chemistry>Chapter 5 - Atomic Structure>EVALUATE YOUR UNDERSTANDING>Q I
The valency of calcium is two and that of oxygen is also two. Write down the molecular formula of calcium oxide.
EASY
7th ICSE
IMPORTANT
Innovative Chemistry>Chapter 5 - Atomic Structure>EVALUATE YOUR UNDERSTANDING>Q I
The valency of hydrogen in H2O is 1. What is the valency of magnesium in MgO.
EASY
7th ICSE
IMPORTANT
Innovative Chemistry>Chapter 5 - Atomic Structure>EVALUATE YOUR UNDERSTANDING>Q II

Define Electronic configuration.

EASY
7th ICSE
IMPORTANT
Innovative Chemistry>Chapter 5 - Atomic Structure>EVALUATE YOUR UNDERSTANDING>Q II
Define homoatomic molecules.
EASY
7th ICSE
IMPORTANT
Innovative Chemistry>Chapter 5 - Atomic Structure>EVALUATE YOUR UNDERSTANDING>Q II

Define the following term:

Shell

EASY
7th ICSE
IMPORTANT
Innovative Chemistry>Chapter 5 - Atomic Structure>EVALUATE YOUR UNDERSTANDING>Q II
Define valency.
EASY
7th ICSE
IMPORTANT
Innovative Chemistry>Chapter 5 - Atomic Structure>EVALUATE YOUR UNDERSTANDING>Q II
Define the following.
Isobars
MEDIUM
7th ICSE
IMPORTANT
Innovative Chemistry>Chapter 5 - Atomic Structure>EVALUATE YOUR UNDERSTANDING>Q III

What are protons? Where do they lie in an atom?