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प्रश्न
Give the following a suitable word/phrase
The sub-atomic particle with negative charge and negligible mass.
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उत्तर
Electron- A sub-atomic particle with a negative charge and negligible mass.
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संबंधित प्रश्न
Write true or false for the following statement
The central pad of the atom is called nucleus.
Give the following a suitable word/phrase.
The sum of the number of protons and neutrons of an atom.
Give the following a suitable word/phrase.
The smallest unit of an element which takes part in a chemical reaction.
Multiple Choice Questions
The outermost shell of an atom is known as
What are the two main parts of which an atom is made of?
Tick the most appropriate answer
β-particles are actually a stream of
- protons
- electrons
- neutrons
- none of these
ANSWER IN DETAIL
Name the three subatomic particles. How are they different from each other ?
Compare an electron, a proton and a neutron in respect of their relative masses and charges.
The particle not present in an ordinary hydrogen atom is :
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`
