Chemistry, 22.07.2019 12:00, lindseybug
Fun, easy question! 15 points! is salt less dense or more dense than water?
Answers: 2
Chemistry, 22.06.2019 05:00, foreignking02
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, 22.06.2019 12:00, KKHeffner02
Which statement best explains the relationship between an area is geography and the temperature of its surface water
Answers: 1
Fun, easy question! 15 points! is salt less dense or more dense than water?...
Mathematics, 19.10.2019 04:10