Chemistry, 30.10.2020 18:10 cooltrey777
18. Select the false statement below:A. Fe has 2 outer electrons, 8 valence electrons, and 18 core electronsB. Fe2 is more paramagnetic (has more unpaired electrons) than Fe3 C. Fe3 is isoelectronic with Mn2 D. none of these ions (Fe2 , Fe3 , Mn2 ) have any electrons in the 4s subshellE. Cu, Ag, and Au all have electron configurations of ns1 nd10
Answers: 1
Chemistry, 22.06.2019 20:10
Insoluble sulfide compounds are generally black in color. which of the following combinations could yield a black precipitate? check all that apply. na2s(aq)+kcl(aq) li2s(aq)+pb(no3)2(aq) pb(clo3)2(aq)+nano3(aq) agno3(aq)+kcl(aq) k2s(aq)+sn(no3)4(aq)
Answers: 1
Chemistry, 23.06.2019 05:30
Awhite powder is added to a solution. the images show observations made before the powder is added, just after the powder has been added, and a little while later. (the liquid in the small beaker is phenol red solution.) what evidence shows that a chemical change has taken place?
Answers: 1
Chemistry, 23.06.2019 06:00
•what conclusions can you make about the relationship between the volume of a gas and its temperature? • what conclusions can you make about the relationship between the volume of a gas and its pressure? • what possible variables have you not accounted for? as you did the procedures, is it possible that the atmospheric pressure may have changed? if it did change over the course of your experiment, then how would your results have been affected?
Answers: 3
18. Select the false statement below:A. Fe has 2 outer electrons, 8 valence electrons, and 18 core e...
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