MEDIUM
9th CBSE
IMPORTANT
Earn 100

Dolton's atomic theory says that atoms are indivisible. Is this state valid? Give reason for the your answer.

Important Questions on Atoms and Molecules

EASY
9th CBSE
IMPORTANT
Science for Ninth class Part 2 Chemistry>Chapter 3 - Atoms and Molecules>Short Answer Type Questions>Q 24
Is it possible to see atoms these days? Explain your answer.
EASY
9th CBSE
IMPORTANT
Science for Ninth class Part 2 Chemistry>Chapter 3 - Atoms and Molecules>Short Answer Type Questions>Q 25
What is meant by the symbol of an element? Explain with examples.
EASY
9th CBSE
IMPORTANT
Science for Ninth class Part 2 Chemistry>Chapter 3 - Atoms and Molecules>Short Answer Type Questions>Q 26
Give two symbols which have been derived from the 'English names' of the elements.
EASY
9th CBSE
IMPORTANT
Science for Ninth class Part 2 Chemistry>Chapter 3 - Atoms and Molecules>Short Answer Type Questions>Q 26
Give two symbols which have been derived from 'Latin names' of the elements.
EASY
9th CBSE
IMPORTANT
Science for Ninth class Part 2 Chemistry>Chapter 3 - Atoms and Molecules>Short Answer Type Questions>Q 27
Give the names and symbols of five familiar substances which you think are elements.
EASY
9th CBSE
IMPORTANT
Science for Ninth class Part 2 Chemistry>Chapter 3 - Atoms and Molecules>Short Answer Type Questions>Q 28

State the chemical symbols for the following elements: 

Sodium, Potassium, Iron, Copper, Mercury, Silver

EASY
9th CBSE
IMPORTANT
Science for Ninth class Part 2 Chemistry>Chapter 3 - Atoms and Molecules>Short Answer Type Questions>Q 29

Name the elements represented by the following symbols:

Hg, Pb, Au, Ag, Sn

EASY
9th CBSE
IMPORTANT
Science for Ninth class Part 2 Chemistry>Chapter 3 - Atoms and Molecules>Short Answer Type Questions>Q 30
What is meant by atomicity? Explain with two examples.