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प्रश्न
Name the three sub-atomic particles of an atom.
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उत्तर
Name the three subatomic particles of an atom:
- Electron
- Proton
- Neutron
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संबंधित प्रश्न
Helium atom has an atomic mass of 4 u and two protons in its nucleus. How many neutrons does it have?
A neutron is formed by an electron and a proton combining together. Therefore, it is neutral.
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 __________.
What is a neutron? State its relative mass and charge.
Explain in brief the experimental proof which led to the discovery of –
Neutrons
The number of neutrons present in 73Li is ______.
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?
James Chadwick discovered the fundamental particle called proton.
What is the charge of a neutron?
