मराठी

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?

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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?

बेरीज
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उत्तर

Mass number of X = Number of protons + Number of neutrons

= 6 + 6

= 12

Mass number of Y = Number of protons + Number of neutrons

= 6 + 8

= 14

These two atomic species X and Y have the same atomic number, but different mass numbers. Hence, they are isotopes.

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पाठ 4: Structure of the Atom - Exercises [पृष्ठ ४७]

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एनसीईआरटी Science [English] Class 9
पाठ 4 Structure of the Atom
Exercises | Q 13. | पृष्ठ ४७

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