Science
Isotopes of an element have
- The same physical properties
- Different chemical properties
- Different number of neutrons
- Different atomic numbers
Atomic Structure
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Answer
Different number of neutrons
Reason — Isotopes of an element have same atomic number (i.e., number of protons) and different mass number (i.e., sum of protons + neutrons).
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Related Questions
For the following statements, write T for True and F for False.
(a) J.J. Thomson proposed that the nucleus of an atom contains only nucleons.
(b) A neutron is formed by an electron and a proton combining together. Therefore, it is neutral.
(c) The mass of an electron is about times that of a proton.
(d) An isotope of iodine is used for making tincture iodine, which is used as a medicine.
Rutherford's alpha–particle scattering experiment was responsible for the discovery of
- Atomic nucleus
- Electron
- Proton
- Neutron
Number of valence electrons in Cl- ion are
- 16
- 8
- 17
- 18
Which one of the following is a correct electronic configuration of Sodium?
- 2, 8
- 8, 2, 1
- 2, 1, 8
- 2, 8, 1