MEDIUM
9th CBSE
IMPORTANT
Earn 100

What is the approximate ratio of mass of proton and electron? (1637:1 or 1837:1)

100% studentsanswered this correctly

Important Questions on Structure of the Atom

MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 4 - Structure of the Atom>CHECK YOUR PROGRESS>Q 6
State two observations which show that an atom is divisible.
MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 4 - Structure of the Atom>CHECK YOUR PROGRESS>Q 7
How does a proton differ from an electron?
EASY
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 4 - Structure of the Atom>CHECK YOUR PROGRESS>Q 8
Name the fundamental particles present in the nucleus of an atom.
EASY
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 4 - Structure of the Atom>CHECK YOUR PROGRESS>Q 9
What is the nature of electrical charge on the nucleus of an atom? (Positive / Negative)
EASY
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 4 - Structure of the Atom>CHECK YOUR PROGRESS>Q 10
Name the scientist who discovered neutron.
MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 4 - Structure of the Atom>CHECK YOUR PROGRESS>Q 11
Describe the experiment which led to the discovery of neutron.
EASY
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 4 - Structure of the Atom>CHECK YOUR PROGRESS>Q 12
The absolute mass of a neutron is _____×10-24g.1.676/6.023
MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 4 - Structure of the Atom>CHECK YOUR PROGRESS>Q 13

Write yes or no.

Is neutron stable outside the nucleus of an atom?