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 05:50
What happens when the temperature of a solution increases?
Answers: 2
Chemistry, 22.06.2019 08:40
Write the formula for the following chemicals. 7. e. trinitrogen tetraoxide a calcium phosphate f. magnesium acetate b. potassium sulfide g nickel(iii) cyanide c carbon dioxide h. silver sulfate d. cobalt(ii) chloride
Answers: 1
The Calvin cycle starts with a process known as carbon fixation, where carbon dioxide molecule(s) i...
Biology, 13.01.2021 07:30
Mathematics, 13.01.2021 07:30
Health, 13.01.2021 07:30
Chemistry, 13.01.2021 07:30
English, 13.01.2021 07:30
Computers and Technology, 13.01.2021 07:30
Health, 13.01.2021 07:30
German, 13.01.2021 07:30