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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
Fill in the blank
The outermost shell of an atom is known as............................
Give the following a suitable word/phrase.
The sum of the number of protons and neutrons of an atom.
Name three fundamental particles of the atom. Give the symbol with charge, on each particle.
Define the term Atomic number.
What are the two main parts of which an atom is made of?
FILL IN THE BLANK
The γ-rays are............................ radiations, like light.
WRITE SHORT ANSWER
What is the charge on a neutron ?
Compare an electron, a proton and a neutron in respect of their relative masses and charges.
Compare a proton and a neutron in respect of mass and charge.
Which of the following statement is always correct?
