Chemistry
Give reasons for the following.
The physical properties of isotopes of the same element are not identical.
Atomic Structure
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Answer
Physical properties of isotopes of the same element are different because physical properties are dependent on the atomic mass. Isotopes have different mass number [A], different number of neutrons and hence different atomic masses giving them different physical properties.
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Select the correct answer from the answers in brackets to complete each sentence.
- An element has electronic configuration 2, 8, 1 and 12 neutrons. Its mass no. is …………… [11/23/12]
- The maximum number of electrons in M-shell is …………… [8/32/18]
- Isotopes have same …………… [no. of neutrons / electronic configuration / atomic masses].
- An …………… [atom/ion] is capable of independent existence in solution.
- An atom with electronic configuration 2, 7 and mass number 19 will have …………… neutrons. [8/10/12]