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
Identify the gas from it calculated molar mass. P = 103.2 kPa V = 225 mL T = 25.00 *C m= 0.375 g N2...
Social Studies, 20.01.2021 08:30
English, 20.01.2021 08:30
Mathematics, 20.01.2021 08:30