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प्रश्न
The mass of an electron is about `1/2000` times that of proton.
पर्याय
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.
Helium atom has an atomic mass of 4 u and two protons in its nucleus. How many neutrons does it have?
Compare the properties of electrons, protons and neutrons.
Name the element which does not contain any neutrons in its nucleus.
Write down the number of neutrons in the nucleus of an atom having atomic number 17 and mass number 37.
State the number of neutrons in each of the atoms A to E. Also state which of the atoms A to E is a metal.
Calculate the number of neutrons, protons and electrons:
- atomic number 3 and mass number 7
- atomic number 92 and mass number 238.
On the basis of Rutherford’s model of an atom, which subatomic particle is present in the nucleus of an atom?
What is the charge of a neutron?
Which subatomic particles have no charge?
