General Science • ChemistryHard
Which of the following statements concerning isotopes and isobars is entirely correct?
A. Isotopes have the same mass number but different atomic numbers.
B. Isobars have the same atomic number but different mass numbers.
C. Isotopes have identical chemical properties due to having the same number of valence electrons.✓ Correct Answer
D. Isobars belong to different chemical elements and always exhibit identical physical properties.
💡 Solution & Explanation
Isotopes are atoms of the same element having the same atomic number but differing mass numbers, ensuring they share identical electronic configurations and chemical properties. Isobars are atoms of different elements possessing the same mass number but different atomic numbers and chemical characteristics. Tritium is a radioactive isotope of hydrogen with two neutrons.
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