Chemistry, 19.08.2019 05:20, 19colemankl
What is true about the element francium (fr, atomic number 87)? more than one can be true a) it has seven valence electrons. b) it is likely to form ionic bonds. c) it is in period 7. d) it is nonmetal. e) it is a metal.
Answers: 1
Chemistry, 21.06.2019 14:50, stodd9503
Your roll: experienced electron speech is adressed to: a new "freshman class" of electrons job: write a speech task: you are to pretend that you are giving a speech to a new group of electrons. be sure to mention their placement in an atom, their charge, and their role in chemical bonding (ionic and covalent) be specific!
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If 10.0 ml of the solution on the right are withdrawn from the 100 ml beaker and diluted again in a similar manner, what is the new concentration? m nacl
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Which of these would be caused by a chemical change? a) the formation of lava. b) sedimantary rock layering over time. c) metamorphic rock forming from igneous. d) metamorphic rock eroding to form sedimentary rock.
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What is true about the element francium (fr, atomic number 87)? more than one can be true a) it has...
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