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Question
Distinguish between isotopes and isobars.
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Solution
| Isotopes | Isobars |
| Isotopes are atoms of the same element. | Isobars are atoms of different elements. |
| They have the same atomic number. | They have different atomic numbers. |
| They have the different mass number. | They have the same mass number. |
| Numbers of protons are same in isotopes. | Numbers of protons are different in isobars. |
RELATED QUESTIONS
The three stable isotopes of neon: `""_10^20"Ne"`, `""_10^21"Ne"` and `""_10^22"Ne"` have respective abundances of 90.51%, 0.27% and 9.22%. The atomic masses of the three isotopes are 19.99 u, 20.99 u and 21.99 u, respectively. Obtain the average atomic mass of neon.
Find the Q-value and the kinetic energy of the emitted α-particle in the α-decay of `""_88^226 "Ra"`.
Given `"m"(""_88^226"Ra")` = 226.02540 u, `"m"(""_86^222 "Rn")` = 222.01750 u,
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`""_92^238"U" -> ( ""_90^234"Th" + ""_2^4"He" + "Energy" )`
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