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प्रश्न
Write true or false for the following statement
The central pad of the atom is called nucleus.
विकल्प
True
False
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उत्तर
True
APPEARS IN
संबंधित प्रश्न
Give the following a suitable word/phrase
Arrangement of electrons in the shells of an atom.
Multiple Choice Questions
The outermost shell of an atom is known as
Tick the most appropriate answer.
How many times is a proton heavier than an electron?
- 1500
- 1800
- 1840
- none of these
TRUE \ FALSE
Electrons are present in the nucleus.
WRITE SHORT ANSWER
What is the charge on a neutron ?
State its one drawback of Rutherford’s atomic model.
Define the term Mass number.
Define the term Valence shell.
Explain in brief – Goldstein’s experiment which led to the discovery of the proton.
Write down the names of the particles represented by the following symbols and explain the meaning of superscript and subscript numbers attached.
`""_1"H"^1`, `""_0"n"^1`,`""_(-1)"e"^0`
