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Question
Name the sub-atomic particle whose charge is 0.
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Solution
Neutron
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Multiple Choice Questions
The outermost shell of an atom is known as
Define the term Atomic number.
FILL IN THE BLANK
In an atom, the last shell containing electrons is called its..................shell.
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.
ANSWER IN DETAIL
Write a note on valence shell.
State whether the following statement is true or false :
The anode rays obtained from all the gases consist of positively charged particles called protons.
State its one drawback of Rutherford’s atomic model.
Explain in brief – Goldstein’s experiment which led to the discovery of the proton.
State how electrons are distributed in an atom. Explain in brief the rules which govern their distribution.
