Questions


August 2022 2 2 Report
The mass of neutron is equal to ­­­­­­­­____________.

a.

1.69 x 10‾²⁷    

b.

1.68 x 10‾²⁷    

c.

1.67 x 10‾²⁷    

d.

9.11 x 10‾³¹    
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