MEDIUM
10th Tamil Nadu Board
IMPORTANT
Earn 100

True or False: (If false give the correct statement)

Noble gases are diatomic. 
 

Important Questions on Atoms and Molecules

MEDIUM
10th Tamil Nadu Board
IMPORTANT
Science Standard 10>Chapter 7 - Atoms and Molecules>TEXTBOOK EVALUATION>Q 3

True or False: (If false give the correct statement) 

The gram atomic mass of an element has no unit.
 

MEDIUM
10th Tamil Nadu Board
IMPORTANT
Science Standard 10>Chapter 7 - Atoms and Molecules>TEXTBOOK EVALUATION>Q 4

True or False: (If false give the correct statement) 

1 mole of gold and silver contains the same number of atoms.
 

MEDIUM
10th Tamil Nadu Board
IMPORTANT
Science Standard 10>Chapter 7 - Atoms and Molecules>TEXTBOOK EVALUATION>Q 5

True or False: (If false give the correct statement) 

The molar mass of CO2 is 42 grams.
 

MEDIUM
10th Tamil Nadu Board
IMPORTANT
Science Standard 10>Chapter 7 - Atoms and Molecules>TEXTBOOK EVALUATION>Q 1
Define: Relative atomic mass. 
HARD
10th Tamil Nadu Board
IMPORTANT
Science Standard 10>Chapter 7 - Atoms and Molecules>TEXTBOOK EVALUATION>Q 2

Write the different types of isotopes of oxygen and its percentage abundance. 
 

EASY
10th Tamil Nadu Board
IMPORTANT
Science Standard 10>Chapter 7 - Atoms and Molecules>TEXTBOOK EVALUATION>Q 3

Define: Atomicity.

MEDIUM
10th Tamil Nadu Board
IMPORTANT
Science Standard 10>Chapter 7 - Atoms and Molecules>TEXTBOOK EVALUATION>Q 4

Give any two examples for heterodiatomic molecules. 

MEDIUM
10th Tamil Nadu Board
IMPORTANT
Science Standard 10>Chapter 7 - Atoms and Molecules>TEXTBOOK EVALUATION>Q 5

What is Molar volume of a gas?