With reference to He-4 (or the diagram), explain the term isotopes.
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Chemistry, 27.02.2021 14:00 delawdermia27
With reference to He-4 (or the diagram), explain the term isotopes.
Answers: 1
Chemistry, 22.06.2019 07:30, veronica25681
According to the vsepr theory what is the shape of a molecule that has a central atom valence three other items with no lone pairs of electrons
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Chemistry, 22.06.2019 14:30, Playboycxm
Chemistry worksheet - i am not sure what they are asking for exactly?
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Chemistry, 23.06.2019 08:00, 91miketaylor
Why is it important for scientists to review and repeat the work of other scientists? 1.a scientific theory must be tested three times before it is proven. 2.the scientific method only applies to repeated experiments. 3.an experiment may have had errors that the scientists didn't recognize. 4.the results of individual scientists may be influenced by bias. 5.an experiment must be performed twice before the data can be analyzed.
Answers: 3
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