Question:
\( ^9_6{C} \) and \( ^{10}_6{C} \) are ________, whereas \( ^9_6{C} \) and \( ^8_5{B} \) are _______
\( ^9_6{C} \) and \( ^{10}_6{C} \) are ________, whereas \( ^9_6{C} \) and \( ^8_5{B} \) are _______
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Isotopes have the same atomic number but different mass numbers, while isotones have the same number of neutrons but different atomic numbers.
Updated On: Apr 14, 2025
- isotopes; isomers
- isomers; isotopes
- isotopes; isotones
- isotones; isotopes
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The Correct Option is C
Solution and Explanation
The terms used in nuclear chemistry refer to different properties of atoms and isotopes.
Step 1: Understanding isotopes.
Isotopes are atoms of the same element (same atomic number) but with different numbers of neutrons, thus giving them different mass numbers. For example, \( ^9_6{C} \) and \( ^{10}_6{C} \) are isotopes because they belong to the same element (carbon) but have different numbers of neutrons.
Step 2: Understanding isotones.
Isotones are atoms that have the same number of neutrons but different numbers of protons. Thus, \( ^9_6{C} \) and \( ^8_5{B} \) are isotones because they have the same number of neutrons (both have 6 neutrons) but different atomic numbers (carbon has 6 protons and boron has 5 protons).
Step 3: Conclusion.
- \( ^9_6{C} \) and \( ^{10}_6{C} \) are isotopes, as they belong to the same element but have different numbers of neutrons.
- \( ^9_6{C} \) and \( ^8_5{B} \) are isotones, as they have the same number of neutrons but different atomic numbers.
Thus, the correct answer is (C).
Step 1: Understanding isotopes.
Isotopes are atoms of the same element (same atomic number) but with different numbers of neutrons, thus giving them different mass numbers. For example, \( ^9_6{C} \) and \( ^{10}_6{C} \) are isotopes because they belong to the same element (carbon) but have different numbers of neutrons.
Step 2: Understanding isotones.
Isotones are atoms that have the same number of neutrons but different numbers of protons. Thus, \( ^9_6{C} \) and \( ^8_5{B} \) are isotones because they have the same number of neutrons (both have 6 neutrons) but different atomic numbers (carbon has 6 protons and boron has 5 protons).
Step 3: Conclusion.
- \( ^9_6{C} \) and \( ^{10}_6{C} \) are isotopes, as they belong to the same element but have different numbers of neutrons.
- \( ^9_6{C} \) and \( ^8_5{B} \) are isotones, as they have the same number of neutrons but different atomic numbers.
Thus, the correct answer is (C).
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