Question on: WAEC Physics - 2018
A nuclide is represented by \(_{32}^{70}B\). Determine its neutron-proton ratio
A
0.5
B
0.8
C
1.2
D
1.5
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Correct Option: C
The element B has a mass number 70 and atomic number 32.
Hence, B has 32 protons and (70-32) = 38 neutrons.
The neutron to proton ratio is 38:32 = \(\frac{38}{32} = 1.1875\)
\(\approxeq 1.2\)
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