EASY
7th ICSE
IMPORTANT
Earn 100

The valency of zinc is 2. What is the valency of another element in the given formula?

ZnBr2

Important Questions on Atomic Structure

EASY
7th ICSE
IMPORTANT
Innovative Chemistry>Chapter 5 - Atomic Structure>EVALUATE YOUR UNDERSTANDING>Q III
The valency of sodium is 1, oxygen is 2 and chlorine is one. Write down the formula of Sodium oxide.
MEDIUM
7th ICSE
IMPORTANT
Innovative Chemistry>Chapter 5 - Atomic Structure>EVALUATE YOUR UNDERSTANDING>Q III
The valency of sodium is 1, oxygen is 2 and chlorine is one. Write down the formula of Sodium chloride.
MEDIUM
7th ICSE
IMPORTANT
Innovative Chemistry>Chapter 5 - Atomic Structure>EVALUATE YOUR UNDERSTANDING>Q III
The valency of chlorine is 1. Write down the valency of iron in FeCl2
MEDIUM
7th ICSE
IMPORTANT
Innovative Chemistry>Chapter 5 - Atomic Structure>EVALUATE YOUR UNDERSTANDING>Q III
The valency of chlorine is 1. Write down the valency of iron in FeCl3
EASY
7th ICSE
IMPORTANT
Innovative Chemistry>Chapter 5 - Atomic Structure>EVALUATE YOUR UNDERSTANDING>Q III
The valency of calcium is two and that of phosphate is three. What will be the molecular formula of calcium phosphate?
MEDIUM
7th ICSE
IMPORTANT
Innovative Chemistry>Chapter 5 - Atomic Structure>EVALUATE YOUR UNDERSTANDING>Q III

If the valency of hydrogen is one, what will be the valency of sulphate in H2SO4?

MEDIUM
7th ICSE
IMPORTANT
Innovative Chemistry>Chapter 5 - Atomic Structure>EVALUATE YOUR UNDERSTANDING>Q III

If the valency of hydrogen is one, what will be the valency of nitrate in HNO3?

EASY
7th ICSE
IMPORTANT
Innovative Chemistry>Chapter 5 - Atomic Structure>EVALUATE YOUR UNDERSTANDING>Q III
What is a radical? Give the name of three radicals.