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Explain which group an element with the electron configuration 1s2 2s2 2p6 3s2 3p6 3d1 4s2 belongs to.
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Structure of the atoms: discovery of the nucleus in 1909i need answering all of these questions
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Chemistry, 23.06.2019 00:30
Which of the following best describes technology a. something created for only scientists to use b.the method of thinking that scientists use. c.the application of engineering to create useful products. c. a scientific idea
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How many times more massive is an oxygen atom than a hydrogen atom?...
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