Chemistry, 16.01.2020 18:31 AkramMasoud
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Long term exposure to waves can cause sunburns and skin cancer. a) visible b) infrared c) gamma rays d) ultraviole
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An atom of lithium-7 has an equal number of(1) electrons and neutrons(2) electrons and protons(3) positrons and neutrons(4) positrons and protons
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Suppose you wanted to make 100 grams of water. what is the molar mass of water (h2o)?
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Which of the following compounds has an atom with an unfilled valence shell of electrons? and why?...
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