Target NTSE Class 10 Stage 1 & 2 Solved Papers (2015 – 19)>Chapter 8 - Atoms and Molecules>Target Exercise>Q 10

EASY

Stage 1 & 2

IMPORTANT

Earn 100

A compound is formed by the combination of atoms of at least-----elements.

50% studentsanswered this correctly

Important Questions on Atoms and Molecules

EASY

Stage 1 & 2

IMPORTANT

Target NTSE Class 10 Stage 1 & 2 Solved Papers (2015 – 19)>Chapter 8 - Atoms and Molecules>Target Exercise>Q 11

Atomicity of helium is

EASY

Stage 1 & 2

IMPORTANT

Target NTSE Class 10 Stage 1 & 2 Solved Papers (2015 – 19)>Chapter 8 - Atoms and Molecules>Target Exercise>Q 12

The particle in an atom which has negative charge

EASY

Stage 1 & 2

IMPORTANT

Target NTSE Class 10 Stage 1 & 2 Solved Papers (2015 – 19)>Chapter 8 - Atoms and Molecules>Target Exercise>Q 13

The symbol of magnesium element is

EASY

Stage 1 & 2

IMPORTANT

Target NTSE Class 10 Stage 1 & 2 Solved Papers (2015 – 19)>Chapter 8 - Atoms and Molecules>Target Exercise>Q 14

Hydrogen is

EASY

Stage 1 & 2

IMPORTANT

Target NTSE Class 10 Stage 1 & 2 Solved Papers (2015 – 19)>Chapter 8 - Atoms and Molecules>Target Exercise>Q 15

Which among the following element has valency of

1

?

EASY

Stage 1 & 2

IMPORTANT

Target NTSE Class 10 Stage 1 & 2 Solved Papers (2015 – 19)>Chapter 8 - Atoms and Molecules>Target Exercise>Q 1

How many moles are represented by

90 g

of glucose

(C_{6} H_{12} O_{6}) ?

MEDIUM

Stage 1 & 2

IMPORTANT

Target NTSE Class 10 Stage 1 & 2 Solved Papers (2015 – 19)>Chapter 8 - Atoms and Molecules>Target Exercise>Q 2

Calculate the ratio of molecules present in

4.4 g

of

{CO}_{2}

and

1.6 g

of

{SO}_{2}

.

EASY

Stage 1 & 2

IMPORTANT

Target NTSE Class 10 Stage 1 & 2 Solved Papers (2015 – 19)>Chapter 8 - Atoms and Molecules>Target Exercise>Q 3

What is the exact weight of

3

moles of

Na

?