Answers: 1
Chemistry, 22.06.2019 02:30
Needthe meter is the standard unit for: 1) height 2) length 3) weight 4) mass
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 12:00
Most materials are not magnetic because their magnetism has worn off. their magnetic domains are arranged randomly. they lack magnetic fields. earth’s heat has destroyed their magnetism.
Answers: 1
In a titration experiment, 31.4 mL of 1.120 M HCOOH is neutralized by 16.3 mL of Ba(OH)2. What is th...
History, 10.02.2020 17:43
Mathematics, 10.02.2020 17:44
Mathematics, 10.02.2020 17:44
Mathematics, 10.02.2020 17:45
Biology, 10.02.2020 17:45
Physics, 10.02.2020 17:45
Mathematics, 10.02.2020 17:45