Chemistry, 20.09.2019 19:00 alodrascon175
For a quiz, ! : ) how did early chemists determine which substances were elements? a. they knew what substances were mixtures. b. they knew how many protons were in the atoms. c. they knew which substances could not be broken down by chemical means. d. they knew how many electrons were in the outer shell of every atom
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The tendency of water molecules to stick together is referred to as a) adhesion b) polarity c) cohesion d) transpiration e) evaporation
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Which states of matter have particles that move independently of one another with very little attraction?
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What do electromagnetic waves carry? how are they produced through which media can they move? where do they transfer energy? what do they not transfer? what do mechanical waves carry? how are they produced? through which media can they move? where do they transfer energy? what do they not transfer?
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For a quiz, ! : ) how did early chemists determine which substances were elements? a. they knew w...
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