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प्रश्न
Fill in the blank of the following statement :
If the nucleus of an atom has atomic number 17, mass number 37 and there are 17 electrons outside the nucleus, the number of neutrons in it is __________.
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उत्तर
If the nucleus of an atom has atomic number 17, mass number 37 and there are 17 electrons outside the nucleus, the number of neutrons in it is 20.
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संबंधित प्रश्न
A neutron is formed by an electron and a proton combining together. Therefore, it is neutral.
The mass of an electron is about `1/2000` times that of proton.
Which subatomic particle is not present in an ordinary hydrogen atom?
Which subatomic particle was discovered by : Chadwick ?
Name the subatomic particle whose relative charge is : 0
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.
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.

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 ______.
