What is the Latin name of mercury $\left(\mathrm{Hg}\right)?$

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 7

The number of atoms present in a molecule of an element is called

MEDIUM

Stage 1 & 2

IMPORTANT

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

Which of the following is not represented by chemical symbol?

EASY

Stage 1 & 2

IMPORTANT

Target NTSE Class 10 Stage 1 & 2 Solved Papers (2015 – 19)>Chapter 8 - Atoms and Molecules>Target Exercise>Q 9

The chemical symbols for elements were stated by

EASY

Stage 1 & 2

IMPORTANT

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

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

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