Which of the Following Pairs Are Isobars ? (I) 58 26 a , 58 28 B (Ii) 79 35 X , 80 35 Y Give Reasons for Your Choice. - Science

Short Note

Which of the following pairs are isobars ?
(i) ""_26^58"A", ""_28^58"B"

(ii) ""_35^79"X", ""_35^80"Y"

Solution

""_26^58"A"  and  ""_28^58"B"  are isobars because they have same number of nucleons i.e. their mass numbers are same but atomic number is different.

Concept: Isobars
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Lakhmir Singh Class 9 Chemistry - Science Part 2
Chapter 4 Structure of the Atom
Questions Based On High Order Thinking Skills (HOTS) | Q 58 | Page 213