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Neutron

Match the num...

Question

Match the number of neutrons for the given atoms.

A

146

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B

0

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C

45

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D

16

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Solution

The number of neutrons for any atom $(_{Z}^{A} X)$ is equal to A-Z (Mass number -atomic number)

$_{92}^{238} U = 238 - 92 = 146_{1}^{1} H = 1 - 1 = 0_{35}^{80} B r = 80 - 35 = 45_{16}^{32} S = 32 - 16 = 16$

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