EASY
9th CBSE
IMPORTANT
Earn 100

The mass of proton in atomic mass unit is:

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Important Questions on Structure of Atom

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9th CBSE
IMPORTANT
Core science chemistry>Chapter 4 - Structure of Atom>EXERCISE 4A>Q 11
The mass of a neutron in atomic mass unit is:
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9th CBSE
IMPORTANT
Core science chemistry>Chapter 4 - Structure of Atom>EXERCISE 4A>Q 12
An electron is lighter than proton by: 
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9th CBSE
IMPORTANT
Core science chemistry>Chapter 4 - Structure of Atom>EXERCISE 4A>Q 13
Which is the incorrect statement?
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9th CBSE
IMPORTANT
Core science chemistry>Chapter 4 - Structure of Atom>EXERCISE 4A>Q 14
Neutron was discovered by: 
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9th CBSE
IMPORTANT
Core science chemistry>Chapter 4 - Structure of Atom>EXERCISE 4A>Q 15
The scientist who suggested the existence of neutron before it was discovered is:
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9th CBSE
IMPORTANT
Core science chemistry>Chapter 4 - Structure of Atom>EXERCISE 4A>Q 16
Which is the incorrect statement?
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9th CBSE
IMPORTANT
Core science chemistry>Chapter 4 - Structure of Atom>EXERCISE 4A>Q 17
The nucleons in an atom consists of:
EASY
9th CBSE
IMPORTANT
Core science chemistry>Chapter 4 - Structure of Atom>EXERCISE 4A>Q 18
The element whose nucleus does not have any neutron is: