Question

8. Explain with examples (i) Atomic number. (ii) Mass number.
(iii) Isotopes and iv) Isobars. Give any two uses of isotopes.​

Answer 1

Answer:

1 all elemenits kike hydrogen, helium

2 hydrogen 1

helium 4

3 protium dritium tritium are the isotopes of hydrogen....

4. chlorine argon

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Answer 2

Answer:

Atomic number shows the total number of proton and the total number of proton is equal to the number of elctrons.

Mass number shows the sum of total number of proton and neutron.

Isotopes are atoms of the same element having the same atomic number but different mass numbers.

Uses of isotopes:

1) Radioactive isn't are uses as a fuel in nuclear reactors of nuclear power plants for generating electricity.

2)They are also used in the treatement of cancer.

Isobars are the atoms of the different elements having different atomic number but the same mass number.

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