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OpenStudy (anonymous):

How is the mass number calculated for an element? A. The sum of protons and neutrons B. There is no calculation. C. The product of neutrons and protons D. The difference between the mass and the protons

eclipsedstar (eclipsedstar):

Any ideas? :)

eclipsedstar (eclipsedstar):

Hint: It has a total...

OpenStudy (anonymous):

Its A, no?

eclipsedstar (eclipsedstar):

Yes, it's A! :D

OpenStudy (anonymous):

I ish smart :3

eclipsedstar (eclipsedstar):

lol :3

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