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Question
Discovery of ......... proved that atoms of the same element may also possess different atomic weights.
Discovery of ......... proved that atoms of the same element may also possess different atomic weights.
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Solution
The correct option is D isotopes
Isotopes will be the correct answer. They have the same atomic number but have different atomic mass. They are defined as: Each of two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei, and hence differ in relative atomic mass but not in chemical properties.Isobars have different atomic number but have same atomic mass.Isomers have same molecular formula but have different structure.
Isotopes will be the correct answer. They have the same atomic number but have different atomic mass. They are defined as: Each of two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei, and hence differ in relative atomic mass but not in chemical properties.
Isobars have different atomic number but have same atomic mass.
Isomers have same molecular formula but have different structure.
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