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Question no. 57784

Isotopes belonging to the same chemical element share what common features___________________?

Select your answer for: Isotopes belonging to the same chemical element share what common features___________________?
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Answer: B. same chemical properties but different atomic numbers

Explanation

Isotopes belong to the exact same chemical element, meaning they share an identical atomic number. The atomic number defines the number of protons present in the atomic nucleus. Different isotopes possess varying neutron counts, resulting in different atomic mass numbers. Chemical properties are governed primarily by the number and arrangement of orbital electrons. Since isotopes share identical electron configurations, their chemical behavior remains virtually identical. Mass spectrometry is used to separate and identify different isotopes based on mass differences.

Isotopic analysis is widely used in geochemistry, medicine, and radiocarbon dating applications. Separating uranium isotopes is necessary to concentrate fissile material for nuclear power generation. Understanding isotopes helps chemists explain atomic mass variations on the periodic table. Stating they have different atomic numbers contradicts the fundamental definition of chemical elements. Different chemical properties would imply they belong to separate elements rather than being isotopes. Claiming identical atomic and mass numbers ignores the definition of isotopic mass variation.

Subject
Engineering
Topic
—
Difficulty
medium

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