Atomic Structure Question 101
Atoms consist of protons, neutrons and electrons. If the mass of neutrons and electrons were made half and two times respectively to their actual masses, then the atomic mass of $ _6C^{12} $ [NCERT 1982]
Options:
A) Will remain approximately the same
B) Will become approximately two times
C) Will remain approximately constant
D) Will be reduced by 25%
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Answer:
Correct Answer: D
Solution:
No change by doubling mass of electrons however by reducing mass of neutron to half total atomic mass becomes $ 6+3 $ instead of $ 6+6 $ . Thus reduced by 50%.
BETA
