Chemistry, 04.12.2020 20:00 britneywells14ozzp3r

What did Rutherford's gold-foil experiment help him conclude?

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Chemistry, 23.06.2019 00:00, Lnjayy

The empirical formula of a compound is ch2o and its mass is 120 amu/molecule, what is its formula?

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Chemistry, 23.06.2019 05:30, choatefarmsus

Awhite powder is added to a solution. the images show observations made before the powder is added, just after the powder has been added, and a little while later. (the liquid in the small beaker is phenol red solution.) what evidence shows that a chemical change has taken place?