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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
Compare the properties of electrons, protons and neutrons.
A neutron is formed by an electron and a proton combining together. Therefore, it is neutral.
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Which subatomic particle was discovered by : Chadwick ?
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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?
Calculate the number of neutrons present in the nucleus of an element X which is represented as `""_15^31"X"`
α, β, γ rays are during the ratio active decay ______ of an atom.
Beryllium + α – rays → Carbon + ______.
