MEDIUM
9th CBSE
IMPORTANT
Earn 100

Atoms of different elements having different atomic numbers but the same mass numbers are known as .

75% studentsanswered this correctly

Important Questions on Atoms and Molecules

EASY
9th CBSE
IMPORTANT
The Science Springboard: A Foundation Course Based on NCERT Curriculum>Chapter 8 - Atoms and Molecules>Check Your Progress
What are the two atoms which have the same number of neutrons but have different number of protons are called?
MEDIUM
9th CBSE
IMPORTANT
The Science Springboard: A Foundation Course Based on NCERT Curriculum>Chapter 8 - Atoms and Molecules>Check Your Progress
6.022×1023is the number of atoms in 12g of_____.
EASY
9th CBSE
IMPORTANT
The Science Springboard: A Foundation Course Based on NCERT Curriculum>Chapter 8 - Atoms and Molecules>Check Your Progress
Which of the following is not an isotope of hydrogen?
EASY
9th CBSE
IMPORTANT
The Science Springboard: A Foundation Course Based on NCERT Curriculum>Chapter 8 - Atoms and Molecules>Check Your Progress
The number of atoms needed to make a molecule is called as _____ of that element.
EASY
9th CBSE
IMPORTANT
The Science Springboard: A Foundation Course Based on NCERT Curriculum>Chapter 8 - Atoms and Molecules>Check Your Progress
When there is more number of electrons than protons, the atom is called_____
EASY
9th CBSE
IMPORTANT
The Science Springboard: A Foundation Course Based on NCERT Curriculum>Chapter 8 - Atoms and Molecules>Check Your Progress
If one walks to a forest, which type of ion he will find more naturally?
EASY
9th CBSE
IMPORTANT
The Science Springboard: A Foundation Course Based on NCERT Curriculum>Chapter 8 - Atoms and Molecules>Check Your Progress
What does the chemical formula of a compound represent?
EASY
9th CBSE
IMPORTANT
The Science Springboard: A Foundation Course Based on NCERT Curriculum>Chapter 8 - Atoms and Molecules>Check Your Progress
When a compound contains both metal and non-metal elements the name of _____ comes first.