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 16:00
How will the volume of a gas be affected if the pressure is tripled, but the temperature remains the same?
Answers: 3
Chemistry, 22.06.2019 16:30
For the reaction shown, calculate how many moles of no2 form when each of the following completely reacts. 2n2o5(g)→4no2(g)+o2(g) part a 1.0 mol n2o5 express your answer using two significant figures. nothing mol m o l request answer part b 5.4 mol n2o5 express your answer using two significant figures.
Answers: 2
The densityof ice is Greater than that of water Equal to that of water Less than that of water...
Computers and Technology, 18.01.2020 12:31
Biology, 18.01.2020 12:31
Biology, 18.01.2020 12:31
Mathematics, 18.01.2020 12:31
Mathematics, 18.01.2020 12:31
Spanish, 18.01.2020 12:31
History, 18.01.2020 12:31
History, 18.01.2020 12:31
Mathematics, 18.01.2020 12:31
English, 18.01.2020 12:31