19 How many nonbonding pairs? Hydrogen chlorideHow many nonbonding pairs?H — Cl1 bond from Cl
20 What happens to CFCs when they get into the atmosphere?
21 . . Cl Cl C F Cl C F + Cl F F What does UV light usually do to bonds? Don’t forget about the nonbonding electrons!What does UV light usually do to bonds?UV-CCl..ClCFClCF+ClFFFREON-12 (dichlorodifluoromethane)
24 Cl. Cl- .. .. . - :Cl :Cl: .. .. Draw the Lewis structure for each! What is the difference between Cl. And Cl-?Which one is more reactive?Why????What do we do with the charge?Cl.Cl-.....-:Cl:Cl:....Chlorine radicalChloride ion
25 ON YOUR OWN Be able to write the same thing for OH. and OH-1 Which is more reactive? Why?
26 Which is more reactive? Why? Don’t forget the nonbonding electrons! ON YOUR OWNWrite the complete reaction for the ionization of H2O in Lewis structure form!!Which is more reactive? Why?Don’t forget the nonbonding electrons!H2O vs H2O.+
27 1. Count the valence electrons ON YOUR OWNWhy do CO and N2 look the same?2. Follow the octet rule!1. Count the valence electrons
28 Be able to complete this worksheet from all directions!
50 What is ANOTHER way that atoms can differ?? Their “greediness” for electrons.
51 Every element has its own electronegativity! Electronegativity – the measure of an atom’s attraction for electrons in a chemical bond (CiC)!(RANGES FROM 0 to 4)Every element has its own electronegativity!