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 05:00
Agas can holds 2.0 gal of gasoline. what is this quantity in cubic centimeters?
Answers: 2
Chemistry, 22.06.2019 06:00
One does not belong why? ice, gold ,wood ,diamond and table salt
Answers: 1
Chemistry, 22.06.2019 16:50
Answer asap need by wednesday morning calculate the ph of 0.16m ch3cooh which has ka = 1.74 x 10-5 mol dm-3 best answer will be brainliest
Answers: 3
A lithium ion has a charge of...
Mathematics, 18.09.2019 06:30
Mathematics, 18.09.2019 06:30
Mathematics, 18.09.2019 06:30
Mathematics, 18.09.2019 06:30
Mathematics, 18.09.2019 06:30
History, 18.09.2019 06:30
Mathematics, 18.09.2019 06:30
Mathematics, 18.09.2019 06:30
Chemistry, 18.09.2019 06:30
Mathematics, 18.09.2019 06:30
Biology, 18.09.2019 06:30
Physics, 18.09.2019 06:30
Mathematics, 18.09.2019 06:30