Which particle has a mass that is approximately the same as the mass of a proton?
(1) an alph...
Chemistry, 28.08.2019 05:30 keagystacey
Which particle has a mass that is approximately the same as the mass of a proton?
(1) an alpha particle (3) a neutron
(2) a beta particle (4) a positron
Answers: 1
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Of element x has 22 protons, how many electrons does it have
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