Chemistry, 05.07.2021 21:10 bryson9604
Help please If an individual proton has mass 1.007825 amu and an individual neutron has mass 1.008665 amu, and the observed atomic mass of gadolinium-157 is 156.92396 amu, what's its mass defect?
a) 1.35833 amu
B) –1.35833 amu
C) –1.38269 amu
D) 1.38269 amu
Answers: 1
Chemistry, 22.06.2019 15:20, merrickrittany
An alloy contains 66 g of pure zinc. what is the percentage of zinc in the alloy? express your answer to two significant figures and include the appropriate units.
Answers: 1
Help please If an individual proton has mass 1.007825 amu and an individual neutron has mass 1.00866...
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