Select the pairs of isotopes, isobars and isotones from the following nuclei: $_{11} {N a}^{22}$ , $_{12} {M g}^{24}$ , $_{11} {N a}^{24}$ , $_{10} {N e}^{23}$ .

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Solution

Isotopes are elements with same atomic number but different mass which in this case is $_{11} N a^{22}$ and $_{11} N a^{24}$ .
Isobars are elements with same number of nucleons which in this case are $_{12} M g^{24}$ and $_{11} N a^{24}$ .
Isotones are elements with same number of neutrons, which in this case are $_{11} N a^{24}$ and $_{10} N e^{23}$ .

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Nuclei with the same number of protons but a different number of neutrons are called isobars

Nuclei with the same number of neutrons but a different atomic number are called isotopes

Nuclei with the same mass number are called isotones

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Select the pairs of isotopes, isobars and isotones from the following nuclei: 11Na22, 12Mg24, 11Na24, 10Ne23.

Isotopes are elements with same atomic number but different mass which in this case is 11Na22 and 11Na24.Isobars are elements with same number of nucleons which in this case are 12Mg24 and 11Na24.Isotones are elements with same number of neutrons, which in this case are 11Na24 and 10Ne23.

Select the pairs of isotopes, isobars and isotones from the following nuclei: $_{11} {N a}^{22}$ , $_{12} {M g}^{24}$ , $_{11} {N a}^{24}$ , $_{10} {N e}^{23}$ .