Chapter 22

Question 1

Good conductors

Answer 1

Metals

Question 2

Semi conducters

Answer 2

some Metalloids (B,Si, Ge, AS)

Question 3

Poor conducters

Answer 3

Non-metals

Question 4

Life is based on _____ 6 elements

Answer 4

C, O, H, N, P, S

Question 5

Negative oxidation states when combined with _____, can have positive oxidation states in boding to other _______

Answer 5

metals

non metals

Question 6

Nonmetal oxides are ____, combine with H2O to give oxy-acids

Answer 6

acidic

Question 7

Ionization energy is:

Answer 7

minimum energy needed to remove an electron from a gaseous atom A or ion; endothermic

Question 8

Electron affinity is:

Answer 8

negative enthalpy, how easily they attract elections.

Question 9

Radii increases ______ and decreases ______

Answer 9

going down, to the right

Question 10

Smaller atoms in a group are more liekly to form ____ bonds

Answer 10

pi bonds

Question 11

Combustion with H forms:

Answer 11

H2O

Question 12

Combustion with C:

Answer 12

forms CO2 or CO

Question 13

Compounds with N

Answer 13

form N2

Question 14

Hydrogen isotopes

Answer 14

Protium: 1H
Deuterium: 2H
Tritium 3H

Question 15

Hydrogen is (unique/not unique)

Answer 15

unique

Question 16

H+ behaves like an ____ metal

Answer 16

an alkali

Question 17

Hydride behaves like a ___

Answer 17

Halogen/group 17

Question 18

Hydrogen reacts _____ at room temperature

Answer 18

slowly

Question 19

Hydrogens reactions are usually (endothermic/exothermic)

Answer 19

exothermic

Question 20

Hydrogenation is the

Answer 20

addition of dihydrogen to multiple bonds

Question 21

Hydrides are very ___ and good ______ agents

Answer 21

basic, reducing

Question 22

OIxidation is the ___ of electreons, reduction is the ____ of electrons

Answer 22

loss, gain

Question 23

Strong acids:

Answer 23

H, HBr: HClO4, HCl, HClO3, H2SO4, HNO3

Question 24

Strong Bases

Answer 24

NaOH, KOH, LiOH, RbOH, CsOH, Ca(OH)2, Ba(OH)2, Sr(OH)2

Question 25

Metal hydrides are ____ attached to strange ratios of _______ ____

Answer 25

transition metals, interstitial hydrides. (PdHx)

Question 26

Molecular/covalent hydrides are

Answer 26

formed by reaction with nonmetals or metalloids. (H2O/NH3)

Question 27

NaH+H2O-->

Answer 27

NaOH+2H2O

Question 28

H2(g)+Br2(g)

Answer 28

2HBr

Question 29

Fe(s) + HCl(aq)

Answer 29

FeCl3(aq) + H2(g)

Question 30

Noble gasses have the highest _____

Answer 30

electron ionization

Question 31

HAlogens have the outer shell config of

Answer 31

ns2np5

Question 32

Halogens are good ______ agents

Answer 32

oxidizing.