Chemistry, 08.06.2021 17:30 star030616
How many moles of aluminum oxide are produced when 6 moles of oxygen gas react? 4Al + 3O2 → 2Al2O3
Answers: 1
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 06:30, backup5485
Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line
Answers: 1
How many moles of aluminum oxide are produced when 6 moles of oxygen gas react?
4Al + 3O2 → 2Al2O3...
Mathematics, 01.02.2020 23:45
History, 01.02.2020 23:45
Mathematics, 01.02.2020 23:45
Biology, 01.02.2020 23:45
English, 01.02.2020 23:45
Mathematics, 01.02.2020 23:45
World Languages, 01.02.2020 23:45
History, 01.02.2020 23:45