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PLEASE HELP ME I BEG YOU I AM SO DEVESTAED I SWEAR I WILL MARK YOU BRAINIEST
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How many protons, electrons, and neutrons are in each of the following isotopes? a. zirconium-90 b. palladium-108 c. bromine-81 d. antimony-123
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Chemistry, 22.06.2019 13:30
What produces wave a)sound b) heats c)transfer of energy d)vibrations
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Chemistry, 22.06.2019 23:30
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
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PLEASE HELP ME I BEG YOU I AM SO DEVESTAED
I SWEAR I WILL MARK YOU BRAINIEST...
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