Chapter 9

Question 1

what are the 3 transition metal exceptions to electron configurations?

Answer 1

Cu, Ag, and Au form S1d10 E.C. instead of expected s2d9

Question 2

periodic trends: atomic radii

Answer 2

F smallest, Cs biggest

Question 3

period trend: metallic

Answer 3

same as size: F least, Cs most metallic

Question 4

periodic trend: first ionization energy & electron affinity

Answer 4

opposite from size/metallic

[increases up, to the right]

Question 5

diamagnetic

Answer 5

all e- paired

Question 6

paramagnetic

Answer 6

has 1 + unpaired e-

Question 7

cations are much ______ than their corresponding atoms

Answer 7

smaller

[lose electrons]

Question 8

anions are much ______ than their corresponding atoms

Answer 8

bigger

[gain electrons, orbitals]

Question 9

a cation of +2 indicates that an element has :

Answer 9

lost 2 electrons

Question 10

k + e- > k-. this represents:

Answer 10

electron affinity of K

Question 11

a covalent bond is formed through the sharing of

Answer 11

electrons between atoms

Question 12

a pair of electrons not shared is referred to as a

Answer 12

lone pair

Question 13

single bonds are _____ than double bonds

Answer 13

longer

Question 14

in a covalent bond, the shared electrons interact with nuclei of both bonding atoms, thus

Answer 14

lowering their potential energy

Question 15

what are the possible orbitals for N=4?

Answer 15

S, P, D, F.

[L = 0,1,2,3]

Question 16

which quantum # describes size and energy of an orbital?

Answer 16

principal quantum # (N)

Question 17

magnetic quantum # is

Answer 17

M(L)

Question 18

angular momentum quantum # is

Answer 18

L

Question 19

Spin quantum # is

Answer 19

Ms