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Question
The mass number of two atoms X and Y is the same (40 each) but their atomic number are different (being 20 and 18 respectively). X and Y are examples of :
Options
chemically similar atoms
isotopes
solid and liquid metals
isobars
Solution
Isobars
Isobars are the atoms of different elements with same mass number but different atomic numbers.
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RELATED QUESTIONS
Explain the Isobars with example.
The atomic species A and B have different number of protons but the same number of nucleons. On the other hand, the atomic species X and Y have the same number of protons but different number of nucleons. Which pair is an example of isobars ? Why ?
Calcium and Argon are examples of a pair of ______.
Two atoms are said to be isobars if ______.
Distinguish isotopes from isobar.
Distinguish isotopes from isobar.
Distinguish isotopes from isobar.
Distinguish isotopes from isobar.
Distinguish isotopes from isobars.
Distinguish isotopes from isobar.
