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प्रश्न
Name the three fundamental particles of an atom.
उत्तर
The three fundamental particles of an atom are electron proton and neutron.
APPEARS IN
संबंधित प्रश्न
Write true or false for the following statement
The central pad of the atom is called nucleus.
Mention briefly the salient features of Dalton’s atomic theory (five points)
FILL IN THE BLANK
The γ-rays are............................ radiations, like light.
Tick the most appropriate answer.
In 1908, R A Millikan found the charge of an electron to be
- 1.6 x 10-19 C
- 1.6 x 10-15 C
- 1.4 x 10-19 C
- 1.6 x 19-16 C.
WRITE SHORT ANSWER
What is the charge on a neutron ?
WRITE SHORT ANSWER
What is the number of neutrons present in a potassium atom ?
ANSWER IN DETAIL
Name the three subatomic particles. How are they different from each other ?
ANSWER IN DETAIL
What is the maximum number of electrons that L shell can accommodate ? Give reasons for your answer.
Name the sub-atomic particle whose charge is 0.
What is meant by the term subatomic particles?
