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Chemistry · Structure of atom

हिन्दी

What causes the chemical properties of different isotopes of an element to be identical?

  1. Same number of neutrons in the nucleus
  2. Same mass number
  3. Same total number of nucleons
  4. Same number of electrons and protons

Correct answer · Option 4

Same number of electrons and protons

Explanation

Chemical properties are controlled by the number of electrons, which are determined by the number of protons in the nucleus.
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