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प्रश्न
What are isotopes?
एका वाक्यात उत्तर
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उत्तर १
Isotopes are atoms of the same element that have the same atomic number but have different mass numbers.
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उत्तर २
Isotopes are atoms with the same number of protons and electrons but differ in the number of neutrons.
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या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 4: Hydrogen - Evaluation [पृष्ठ १२३]
