J.R. S. answered 02/27/19
Ph.D. University Professor with 10+ years Tutoring Experience
Name: nitrogen trichloride
valence electrons: N is in group 15 and has 5 valence electrons
Cl is is group 17 and each one has 7 valence electrons for a total of 3x7 = 21
total number valence electrons = 5+21=26 valence electrons

J.R. S.
02/27/19
Kim S.
How come? The teachers answer key says: N is 5 Cl is 3(7) And the total number of valance electrons is 2602/27/19