Chemistry, 20.01.2021 19:40 liamgreene90
Which element haves 29 protons 35neutrons 29 electrons and 64 atomic mass
Answers: 2
Chemistry, 22.06.2019 23:30, adamgala3885
The comparison of the number of atoms in a copper coin the size of a penny with the number of people on earth is made to illustrate which of the following? a. that atoms are indivisible b. that atoms are very small c. that atoms are very large d. that in a copper penny, there is one atom for every person on earth
Answers: 1
Which element haves 29 protons 35neutrons 29 electrons and 64 atomic mass...
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