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प्रश्न
Give the following a suitable word/phrase.
The smallest unit of an element which takes part in a chemical reaction.
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उत्तर
Atom
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संबंधित प्रश्न
Write true or false for the following statement
The maximum number of electrons in the first shell can be 8.
Write true or false for the following statement
The central pad of the atom is called nucleus.
FILL IN THE BLANK
Gases become good conductors of electricity under ........ (low/high) pressure and .............. (low/high) voltage electrical discharge.
WRITE SHORT ANSWER
Describe a discharge tube.
WRITE SHORT ANSWER
What do you mean by electron transition?
WRITE SHORT ANSWER
What is the charge on a neutron ?
ANSWER IN DETAIL
Write a note on valence shell.
Compare an electron, a proton and a neutron in respect of their relative masses and charges.
Select the correct answer from the choice in the bracket to complete the sentence:
A ________ is a sub-atomic particle with no charge and unit mass.
What is meant by the term subatomic particles?
