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Q:

समभारकों में ___होता है।

  • 1
    समान भार संख्याएँ किंतु विभिन्न परमाणु संख्याएँ
  • 2
    विभिन्न भार संख्याएँ किंतु समान संख्याएँ
  • 3
    समान भार और परमाणु संख्याएँ
  • 4
    विभिन्न भार एवं परमाणु संख्याएँ
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Answer : 1. "समान भार संख्याएँ किंतु विभिन्न परमाणु संख्याएँ"
Explanation :

Nuclei are classified based on the number of protons (atomic number) or the total number of nucleons (mass number):

Isotopes: Atoms of an element which have the same atomic number but different mass numbers are called isotopes. All isotopes have similar chemical properties.

Isobar: Nuclei which have the same mass number (A) but a different atomic number (Z) are called isobar.

Even-neutronic: Nuclei having equal number of neutrons are called even-neutronic. For them both atomic number (Z) and mass number (A) are different, but the value of (A – Z) is the same.

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