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Stage 1 & 2
IMPORTANT
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Which of the following is not represented by chemical symbol?

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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 9
The chemical symbols for elements were stated by
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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.
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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
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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
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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
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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 C6H12O6?