Which of the following groups of elements have no electronegativity?
halogens
O alkali metals...
Answers: 3
Chemistry, 22.06.2019 03:00, ian2006huang
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.
Answers: 3
Chemistry, 22.06.2019 05:30, fgcherubin
What happens to the atomic radius when an elctron is lost
Answers: 1
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