N₂0₃
what is the oxidation number...
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Chemistry, 21.06.2019 13:00
Asolution has a ca2+ concentration of 0.049 m and an f- concentration is 0.147 m at equilibrium. the value of ksp for caf2 at 25°c is 4.0 x 10-11. will this solution form a precipitate? yes no
Answers: 3
Chemistry, 21.06.2019 19:30
List the two type of transporst that the cell in orde to transport molecules acroos the membrane
Answers: 1
Chemistry, 21.06.2019 23:00
The drawing represents the movement of particles in a substance. what changes of state can this substance undergo
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
Mathematics, 01.04.2021 22:30
English, 01.04.2021 22:30
Mathematics, 01.04.2021 22:30
Mathematics, 01.04.2021 22:30
English, 01.04.2021 22:30
Mathematics, 01.04.2021 22:30