50 points what kind of bond will form between the atoms? (options: ionic, polar covalent, nonpolar covalent or metallic) phosphorus and chlorine potassium and oxygen fluorine and fluorine copper and aluminum carbon and fluorine carbon and hydrogen aluminum and oxygen silver and copper i'm kind of a noob when it comes to chemistry so a brief explanation would also be very !: )

In which direction will the following reaction go if the standard reduction potentials are 0.80 v for ag/ag+ and –0.44 v for fe/fe2+? ag+ + fe → ag + fe2+ a.)forward b.)the reaction cannot occur. c.) not enough information is given. d.) reverse

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

What are transitions between a liquid and gas called? identify which way they are transitioning