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Which property do isobars share?
Same chemical properties
Same mass number
Same number of protons
Same atomic number
Same mass number
Isobars are atoms of different chemical elements that possess the same mass number but different atomic numbers. Because they have different atomic numbers (number of protons), they exhibit distinct chemical properties and occupy different positions in the periodic table.
Isobars are atoms of different chemical elements that possess the same mass number but different atomic numbers. Because they have different atomic numbers (number of protons), they exhibit distinct chemical properties and occupy different positions in the periodic table.
The concept of atomic structure is governed by the Bohr model and Moseley's Law, which established that the atomic number (number of protons) is the fundamental property of an element.
Isobars have identical mass numbers (sum of protons and neutrons) but different atomic numbers.
Isobars belong to different elements; therefore, their chemical properties are entirely different.
Common examples include Argon-40 and Calcium-40, which both have a mass number of 40.
Isotopes are the opposite of isobars, having the same atomic number but different mass numbers.
Isotones are atoms that have the same number of neutrons but different atomic and mass numbers.
Option C and D describe characteristics of isotopes, not isobars, as they share the same atomic number and proton count.
Option A is incorrect because chemical properties are determined by valence electrons, which vary across different elements.
B is correct тАФ Isobars are characterized by having the same mass number, which is the sum of protons and neutrons in the nucleus.
When studying Chemistry for SSC or Railway exams, always distinguish between Isotopes (same Z), Isobars (same A), and Isotones (same N) to avoid confusion in periodic table questions.
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