Which from the following statements is NOT tr | vedclass

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(D) Isotopes are defined as atoms of the same element having the same atomic number $(Z)$ but different mass numbers $(A)$.Since they have the same at

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They have an equal number of neutrons.

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(D) Isotopes are defined as atoms of the same element having the same atomic number $(Z)$ but different mass numbers $(A)$.Since they have the same atomic number,they have the same number of protons and electrons,which leads to similar chemical properties.They occupy the same position in the periodic table because the periodic table is arranged based on atomic number.However,isotopes have different numbers of neutrons because their mass numbers $(A = Z + N)$ differ while their atomic numbers $(Z)$ remain the same.Therefore,the statement that they have an equal number of neutrons is false.

$(i) \ _{26}Fe^{54}, \ _{26}Fe^{56}, \ _{26}Fe^{58}$	$(a) \ \text{Isotopes}$
$(ii) \ _1H^3, \ _2He^3$	$(b) \ \text{Isotones}$
$(iii) \ _{32}Ge^{76}, \ _{33}As^{77}$	$(c) \ \text{Isoelectronic}$
$(iv) \ _{92}U^{235}, \ _{90}Th^{231}$	$(d) \ \text{Isobars}$
$(v) \ _1H^1, \ _1D^2, \ _1T^3$

Which from the following statements is $NOT$ true about isotopes?

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