Chapter 4

Question 1

Diatomic Molecules

Answer 1

H2(g), O2(g), N2(g), F2(g), Cl2(g), Br2(l), I2(s)

Question 2

Other Polyatomic Molecules

Answer 2

P4, S8, Se8

Question 3

Bonding type of molecule

Answer 3

covalent

Question 4

Bonding type of formula unit

Answer 4

Ionic

Question 5

Ionic Compunds

Answer 5

electrostatic forces, empirical formula

Question 6

Silver ion

Answer 6

Ag+

Question 7

Zinc ion

Answer 7

Zn 2+

Question 8

Monoatomic Anions

Answer 8

ending in ide, chloride

Question 9

Monoatomic Cations with different charges

Answer 9

add Roman numeral of charge

Question 10

Anion with more oxygen

Answer 10

ends in -ate

Question 11

Anion with less oxygen

Answer 11

ends in -ite

Question 12

anion with even less oxygen

Answer 12

hypo- base -ite

Question 13

anion with even more oxygen

Answer 13

per- base -ate

Question 14

formula mass

Answer 14

sum of the atomic masses of each element in the compound in amu, numerically equal to molar mass in g/mol

Question 15

hydrate

Answer 15

water molecules loosely bound to ionic crystal

Question 16

1/2 hydrate prefix

Answer 16

hemi

Question 17

1 hydrate prefix

Answer 17

mono

Question 18

2 hydrate prefix

Answer 18

di

Question 19

3 hydrate prefix

Answer 19

tri

Question 20

4 hydrate prefix

Answer 20

tetra

Question 21

5 hydrate prefix

Answer 21

penta

Question 22

6 hydrate prefix

Answer 22

hexa

Question 23

7 hydrate prefix

Answer 23

hepta

Question 24

8 hydrate prefix

Answer 24

octa

Question 25

9 hydrate prefix

Answer 25

nona

Question 26

10 hydrate prefix

Answer 26

deca

Question 27

percent composition

Answer 27

mass of element/mass of compound

Question 28

Hydrocarbons

Answer 28

organic molecules with only H and C

Question 29

Binary Molecular

Answer 29

2 nonmetals, covalent

Question 30

Naming Binary

Answer 30

use prefixes for number of atoms, add -ide to last atom, don't use mono- on first atom

Question 31

Acids

Answer 31

covalent, in acid form when dissolved in water (aq)

Question 32

Naming Binary Acids

Answer 32

prefix of hydro, nonmetal name, ending with -ic, add acid

Question 33

Acid with "hydro"

Answer 33

binary

Question 34

Oxoacids

Answer 34

have polyatomic ions, bond is between H and O

Question 35

Oxoacid: if polyatomic ion ends in -ate

Answer 35

change it to -ic, add acid

Question 36

Oxoacid: if polyatomic ion ends in -ite

Answer 36

change to -ous, add acid

Question 37

alkanes

Answer 37

hydrocarbon with only single bonds, Cn H(2n+2), end in -ane

Question 38

alkenes

Answer 38

Hydrocarbons with at least one double bond, end in -ene, Cn H(2n) when there's only one double bond

Question 39

alkynes

Answer 39

Hydrocarbons with at least one triple bond, end in -yne, Cn H(2n-2) when there's only one triple bond

Question 40

hydrocarbon with 1 C

Answer 40

meth-

Question 41

hydrocarbon with 2 C

Answer 41

eth-

Question 42

hydrocarbon with 3 C

Answer 42

prop-

Question 43

hydrocarbon with 4 C

Answer 43

but-

Question 44

hydrocarbon with 5 C

Answer 44

pent-

Question 45

hydrocarbon with 6 C

Answer 45

hex-

Question 46

hydrocarbon with 7 C

Answer 46

hept-

Question 47

hydrocarbon with 8 C

Answer 47

oct-

Question 48

hydrocarbon with 9 C

Answer 48

non-

Question 49

hydrocarbon with 10 C

Answer 49

dec-

Question 50

hydrocarbon with 12 C

Answer 50

dodec-

Question 51

aluminum ion

Answer 51

al 3+

Question 52

scandium ion

Answer 52

sc 3+