Atomic Structure Question 488
Question: From the following list of atoms, choose the no. of pairs of isotopes, isobars and isotones respectively $ _8^{16}O,, _19^{39}K,, _19^{335}U,, _19^{40}K,, _7^{14}N,, _8^{18}O,, _6^{14}C,, _20^{40}Ca,, _92^{238}U $
Options:
A) 3, 2, 2
B) 2, 3, 2
C) 2, 2, 3
D) 2, 2, 2
Show Answer
Answer:
Correct Answer: A
Solution:
- Isotopes: $ ( _8^{16}O,, _8^{18}O ),,( _19^{39}K,, _19^{40}K ),,( _92^{235}U,, _92^{238}U ) $ Isobars: $ ( _19^{39}K,, _20^{40}Ca ),,( _6^{14}C,, _8^{16}O ) $ Isotones: $ ( _19^{39}K,, _20^{40}Ca ),,( _6^{14}C,, _8^{16}O ) $
