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Mathematics 8 Online
OpenStudy (anonymous):

The mass number of an atom is obtained by totaling the number of _____ and _____. (1 point)

OpenStudy (adamaero):

it's either protons, neutrons or electrons. this is very simple.

OpenStudy (perl):

neutrons + protons

OpenStudy (perl):

electrons can vary (ionic)

OpenStudy (adamaero):

it was a chance to give them a chance at figuring it out. I knew the answer

OpenStudy (adamaero):

this site might as well be called openanswers

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