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10th Tamil Nadu Board
IMPORTANT
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Which of the following is a triatomic molecule?

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Important Questions on Atoms and Molecules

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10th Tamil Nadu Board
IMPORTANT
Science Standard 10>Chapter 7 - Atoms and Molecules>TEXTBOOK EVALUATION>Q 3
The volume occupied by 4.4g of CO2 at S.T.P
HARD
10th Tamil Nadu Board
IMPORTANT
Science Standard 10>Chapter 7 - Atoms and Molecules>TEXTBOOK EVALUATION>Q 4
Mass of 1 mole of Nitrogen atom is
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10th Tamil Nadu Board
IMPORTANT
Science Standard 10>Chapter 7 - Atoms and Molecules>TEXTBOOK EVALUATION>Q 5
Which of the following represents 1 amu?
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10th Tamil Nadu Board
IMPORTANT
Science Standard 10>Chapter 7 - Atoms and Molecules>TEXTBOOK EVALUATION>Q 6
Which of the following statement is incorrect?
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10th Tamil Nadu Board
IMPORTANT
Science Standard 10>Chapter 7 - Atoms and Molecules>TEXTBOOK EVALUATION>Q 7

The volume occupied by 1 mole of a diatomic gas at S.T.P is 

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10th Tamil Nadu Board
IMPORTANT
Science Standard 10>Chapter 7 - Atoms and Molecules>TEXTBOOK EVALUATION>Q 8
In the nucleus of Ca4020 , there are 
EASY
10th Tamil Nadu Board
IMPORTANT
Science Standard 10>Chapter 7 - Atoms and Molecules>TEXTBOOK EVALUATION>Q 10
1 mole of any substance contains _____ molecules.
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10th Tamil Nadu Board
IMPORTANT
Science Standard 10>Chapter 7 - Atoms and Molecules>TEXTBOOK EVALUATION>Q 2

Atoms of different elements having same number of _____ are called isotones.