Chemistry, 09.12.2020 22:10 darrell1168
Which type of circuit would be best to use for lights used for decorations?
Parallel circuit. One bulb could go out and the strand will stay on.
Series circuit. One bulb could go out and the strand will stay on.
Parallel circuit. One bulb goes out and the rest go out.
Series circuit. One bulb could go out and the rest go out.
Answers: 3
Chemistry, 22.06.2019 05:00
1)each group 16 element has how many valence electrons? ( )4 ( )6 ( )8 ( )16 2)how many dots appear in the dot structure for calcium ion, ca2+? ( )zero ( )one ( )two ( )eight 3) which of the following atoms forms a cation to obtain an octet of outer shell electrons? ( )magnesium ( )oxygen ( )fluorine ( )helium 4) an al3+ ion contains 13 protons and 10 electrons. ( )true ( )false 5) valence and non-valence electrons are represented in lewis dot structures. ( )true ( )false
Answers: 3
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
Which type of circuit would be best to use for lights used for decorations?
Parallel circuit. One b...
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