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1. Distinguish Isotopes from Isobar.
Isotopes:
Isotopes are atoms of the same element, thus having the but a different mass number.
Example: .
Isobar:
Isobars are atoms with but the same mass number.
Example: .
2. What are the isotones give one example.
Isotones are atoms of different elements with different atomic numbers and mass numbers but the same number of . Thus, are isotones.
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