A) \[_{92}{{U}^{235}}\]
B) \[_{8}{{O}^{16}}\]
C) \[_{2}H{{e}^{4}}\]
D) \[_{26}F{{e}^{56}}\]
Correct Answer: A
Solution :
Key Idea: Number of neutrons = Mass number -Atomic number The representation \[{{C}_{1}},{{C}_{3}},{{C}_{4}},{{C}_{5}}\]shows 235 is mass number and 92 is atomic number. Hence, number of neutrons \[4\mu F\] \[10\mu F\] has 16 as mass number and 8, as atomic number. Number of neutrons \[8\mu F\] \[6\mu F\] has 4 as mass number and 2 as atomic number. Number of neutrons \[4\mu F\] \[2\mu F\] has 56 as mass number and 26 as atomic number. Number of neutrons \[300\times {{(4)}^{0.4}}K\] Hence, \[150\times {{(4)}^{0.4}}K\] has highest neutrons ratio.
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