Answers: 1
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 05:30
The climate of the continental united states is generally 1. tropical 2. temperate 3. arctic 4. highland
Answers: 1
Chemistry, 22.06.2019 11:00
When hydrochloric acid reacts with potassium hydroxide solution, the following reaction occurs. hcl (aq) + koh (aq) h2o (l) + kcl (aq) the reaction gives off heat energy, so it is an reaction.
Answers: 1
How many hydrogen atoms are in an acyclic alkane with 13 carbon atoms?...
History, 28.01.2020 13:50
Health, 28.01.2020 13:50
English, 28.01.2020 13:50
Health, 28.01.2020 13:50
Biology, 28.01.2020 13:50
Biology, 28.01.2020 13:50
English, 28.01.2020 13:50
History, 28.01.2020 13:50