EASY
9th CBSE
IMPORTANT
Earn 100

What is meant by saying that 'the atomic mass of oxygen is 16'?

Important Questions on Atoms and Molecules

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9th CBSE
IMPORTANT
Science for Ninth class Part 2 Chemistry>Chapter 3 - Atoms and Molecules>Multiple Choice Questions (MCQs)>Q 57

The atomicities of ozone, sulphur, phosphorus and argon are respectively:

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9th CBSE
IMPORTANT
Science for Ninth class Part 2 Chemistry>Chapter 3 - Atoms and Molecules>Multiple Choice Questions (MCQs)>Q 58
The symbol of a metal element which is used in making thermometers is; 
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9th CBSE
IMPORTANT
Science for Ninth class Part 2 Chemistry>Chapter 3 - Atoms and Molecules>Multiple Choice Questions (MCQs)>Q 59
The latin language name of an element is natrium. The English name of this element is:
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9th CBSE
IMPORTANT
Science for Ninth class Part 2 Chemistry>Chapter 3 - Atoms and Molecules>Multiple Choice Questions (MCQs)>Q 60
The atomic theory of matter was proposed by; 
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9th CBSE
IMPORTANT
Science for Ninth class Part 2 Chemistry>Chapter 3 - Atoms and Molecules>Multiple Choice Questions (MCQs)>Q 61

One of the following elements has an atomicity of 'one'. The element is:

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9th CBSE
IMPORTANT
Science for Ninth class Part 2 Chemistry>Chapter 3 - Atoms and Molecules>Multiple Choice Questions (MCQs)>Q 62
The English name of an element is potassium, its Latin name will be:
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9th CBSE
IMPORTANT
Science for Ninth class Part 2 Chemistry>Chapter 3 - Atoms and Molecules>Multiple Choice Questions (MCQs)>Q 63
The law of conservation of mass was given by: 
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9th CBSE
IMPORTANT
Science for Ninth class Part 2 Chemistry>Chapter 3 - Atoms and Molecules>Multiple Choice Questions (MCQs)>Q 64
The element having atomicity 'four' is most likely to be: