Chemistry, 04.06.2021 06:30 ionutvasiliev4237
Please help me. no trolls, links, files or any of that sort. If all wavelengths of light on the electromagnetic spectrum are released by objects in space (stars, quasars, etc.), why aren’t we constantly bombarded by harmful waves like x-rays and gamma rays? Use evidence and scientific reasoning to support your answer.
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Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.
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In the 1800s, one of the statements in john dalton's atomic theory was that atoms are indivisible. later experimental evidence led to the discovery of subatomic particles such as neutrons, electrons, and protons. what happened to the indivisible atom part of dalton's atomic theory, and why?
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What is the chemical formula for the compound formed between sodium and flour one
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Chris is about to do an experiment to measure the density of water at several temperatures. his teacher has him prepare and sign a safety contract before beginning the experiment. which term is mostlikely part of the safety contract
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Please help me. no trolls, links, files or any of that sort.
If all wavelengths of light on the ele...
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