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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.
A neutron is formed by an electron and a proton combining together. Therefore, it is neutral.
Explain in brief the experimental proof which led to the discovery of –
Neutrons
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?
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 ______.
The hydrogen atom does not have ______.
α, β, γ rays are during the ratio active decay ______ of an atom.
The ratio of neutrons in C and Si with respective atomic masses 12 and 28 is ______.
