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प्रश्न
Multiple Choice Questions
The sub atomic particle with negative charge is
पर्याय
proton
neutron
electron
nucleon
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उत्तर
electron
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संबंधित प्रश्न
The composition of the nuclei of two atomic species X and Y are given as under
| X | Y | |
| Protons | 6 | 6 |
| Neutrons | 6 | 8 |
Give the mass numbers of X and Y. What is the relation between the two species?
Fill in the blanks.
Isotopes are the atoms of ______ element having the ______ atomic number but ______ mass number.
Fill in the blank of the following statement :
The total number of protons and neutrons in the nucleus of an atom is called its _________.
An element has an atomic number 12. How many electrons will be present in the K, L and M energy shells of its atom?
The diagram represents an isotope of hydrogen [H]. Answer the following:
Atomic no. = 1
Mass no. = 1
Which sub-atomic particles in the 3 isotopes of ‘H’ are the same.
Electrons revolve around the nucleus in definite open shells.
K and L shells can accommodate a maximum of 2 and 8 electrons respectively.
In a neutral atom number of protons is equal to the number of neutrons.
What is the relation between mass number & atomic number?
Compare the charge and mass of protons and electrons.
