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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
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Chemistry, 23.06.2019 09:00, floressavanna15
What properties would have caused early researchers to name hydrogen "inflammable air”
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Chemistry, 23.06.2019 12:30, lindseylewis313
When utilizing a transmission electron microscope, why is it necessary to stain the specimen with heavy metal salts?
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Chemistry, 23.06.2019 14:00, lilyella1004
How does electronegativity changes as we move from left to right across a period
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