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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 ?
Write down the number of neutrons in the nucleus of an atom having atomic number 17 and mass number 37.
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
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 ______.
