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29-09-2017
Chemistry

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if an elements atomic mass is 70 and it has 39 neutrons how many protobs does it have? What element is this?

if an elements atomic mass is 70 and it has 39 neutrons how many protobs does it have What element is this class=

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imightythemagic imightythemagic

29-09-2017

31 protons
Name: Gallium

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