Chemistry, 07.11.2019 00:31 milkshakegrande101
If a sealed syringe that contains some gas is plunged into cold water, in which direction will the syringe piston slide?
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, 22.06.2019 08:00
An observation that requires measurement is called quantitative observable or qualitative
Answers: 1
If a sealed syringe that contains some gas is plunged into cold water, in which direction will the s...
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