Chemistry, 16.09.2019 17:00 heavyhearttim
Asingle atom of an element has 11 protons, 11 electrons, and 12 neutrons. which element is it?
a. v
b. na
c. mg
d. se
Answers: 2
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Asingle atom of an element has 11 protons, 11 electrons, and 12 neutrons. which element is it?
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