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प्रश्न
The mass of an electron is about `1/2000` times that of proton.
विकल्प
True
False
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उत्तर
This statement is True.
Explanation:
Because it is a fact known from experiments.
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संबंधित प्रश्न
Name the three sub-atomic particles of an atom.
What is a neutron? State its relative mass and charge.
Sulphur has an atomic number of 16 and a mass number of 32. State the number of protons and neutrons present in the nucleus of sulphur.
Name the element which does not contain any neutrons in its nucleus.
Calculate the number of neutrons, protons and electrons:
- atomic number 3 and mass number 7
- atomic number 92 and mass number 238.
Identify the Mg2+ ion from the Fig. where, n and p represent the number of neutrons and protons respectively
Isotopes exist because atoms of the same element can have different numbers of ______.
What is the charge of a neutron?
Which subatomic particles have no charge?
Beryllium + α – rays → Carbon + ______.
