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Since helium has an atomic number of 2 and an weight of 4, we know it must contain ____ nuetrons A.6 B.4 C.2
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Jan 15, 2019
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Since helium has an atomic number of 2 and an weight of 4, we know it must contain ____ nuetrons
A.6
B.4
C.2
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The answer is : C. 2 Neutrons
UserJA
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Jan 22, 2019
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