Atomic Structure Question 70
Question: Compared with an atom of atomic weight 12 and atomic number 6, the atom of atomic weight 13 and atomic number 6 [NCERT 1971]
Options:
A) Contains more neutrons
B) Contains more electrons
C) Contains more protons
D) Is a different element
Show Answer
Answer:
Correct Answer: A
Solution:
$ _6A^{12} $ and $ _6X^{13} $ both are isotopes but have different no. of neutrons. $ _6A^{12} $ , For A have $ p=6,e=6 $ and $ n=6 $ and $ _6X^{13} $ , For B have $ p=6,e=6 $ and $ n=7 $
