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anonymous
 4 years ago
The number of protons and neutrons in the nucleus of an atom must always be equal, in order for the strong nuclear force binding them together to be effective. True or false?
anonymous
 4 years ago
The number of protons and neutrons in the nucleus of an atom must always be equal, in order for the strong nuclear force binding them together to be effective. True or false?

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JFraser
 4 years ago
Best ResponseYou've already chosen the best response.0grab a periodic table and look at the average mass of carbon: ~12, so 6protons, 6 neutrons. Now look at the average mass of gold and tell me true or false.

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Alright, doing that now!

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Well I know that the mass of carbon12 is smaller than the mass of gold. I don't think that the protons and neutrons in gold are equal though, I could be wrong.

JFraser
 4 years ago
Best ResponseYou've already chosen the best response.0it's not the mass of the 2 atoms that's important here. It's the number of protons and neutrons that they each have. Carbon's average mass is ~12, so 6 protons and 6 neutrons. Gold's average mass is ~197, but only has 79 protons. The remaining mass comes from 118 neutrons. 79 and 118 are definitely not equal.

JFraser
 4 years ago
Best ResponseYou've already chosen the best response.0Most atoms with fewer than 20 protons also tend to have the same # of neutrons. As the atoms get more and more protons, the number of neutrons increases even faster, so the A/Z ratio (mass/protons) gets larger and larger in order for atoms to be stable.
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