Chapter 10

Question 1

Exceptions to the octet rule- odd-electron species:

Answer 1

Ex) OH, NO, odd #valence e
unstable, reactive

Question 2

Exceptions to the octet rule- incomplete octets

Answer 2

B and Be are more stable with less than 8 electrons

Question 3

Exceptions to the octet rule- expanded octets

Answer 3

nonmetals lower than 3d row- P, S, Cl, Se, Br, I, can expand octets past 8

Question 4

define electronegativity with examples

Answer 4

the ability to pull e- in a covalent bond

C-F is a dipole

Question 5

Electronegativity trend is

Answer 5

Related to smaller size (F is most electronegative)