Ch. 7,8,9 Test

Question 1

Naming covalent compounds

Prefix for 1

Answer 1

Mono

Question 2

Naming covalent compounds

Prefix for 2

Answer 2

Di

Question 3

Naming covalent compounds

Prefix for 3

Answer 3

Tri

Question 4

Naming covalent compounds

Prefix for 4

Answer 4

Tetra

Question 5

Naming covalent compounds

Prefix for 5

Answer 5

Penta

Question 6

Naming covalent compounds

Prefix for 6

Answer 6

Hexa

Question 7

Naming covalent compounds

Prefix for 7

Answer 7

Hepta

Question 8

Naming covalent compounds

Prefix for 8

Answer 8

Octa

Question 9

Naming covalent compounds

Prefix for 9

Answer 9

Nona

Question 10

Naming covalent compounds

Prefix for 10

Answer 10

Deca

Question 11

Chemical Bond

Answer 11

The force holding atoms together in a compound or molecule

Question 12

Types of Bonds

Answer 12

Ionic
Covalent (polar/nonpolar)
Metallic

Question 13

Octet Rule

Answer 13

Atoms tend to lose or gain electrons to obtain the same electron configuration as a noble gas

Question 14

Cations

Answer 14

Atoms who lose electrons
Metals
Positive Charge

Question 15

Anions

Answer 15

Atoms that gain electrons
Nonmentals
Negative Charge

Question 16

Ionic Bond

Answer 16

The electrostatic forces that bring a cation and anion together.
A transfer of electrons that results in a positive and negative ion

Question 17

Ionic Bonds … Known as..

Answer 17

Salts

Question 18

Ionic bond electronegativity is …

Answer 18

greater than two

Question 19

Properties of ionic compounds

Answer 19

Soluble in water
Conduct electric current in molten or soluble state
High melting points

Question 20

Metallic Bonds

Answer 20

form when metal atoms crowd together and valence shells overlap

Question 21

Valence electrons in metallic bonds

Answer 21

Become “delocalized”

Like a “sea of electrons” flowing through positively charged metal ions

Question 22

Properties of metals

Answer 22

Conduct electricity
Malleable and ductile
Insoluble

Question 23

Ions

Answer 23

charged particles

Question 24

Monatomic Ion

Answer 24

formed when a single atom has gained or lost electrons

Question 25

Polyatomic Ion

Answer 25

When a group of atoms collectively has a charge

Question 26

Multivalent Ions

Answer 26

Transition Metals | Uses stock system to name (indicated by Roman Numeral)

Question 27

Exceptions to multivalent roman numeral rule

Answer 27

Silver +1 Zinc +2 Scandium +3 Cadmium +2

Question 28

Naming Binary Compounds

Answer 28

Cation named first, anion named second (ending in -ide)

Question 29

Naming Multivalent Binary Compounds

Answer 29

Criss cross method, make it so the ion is neutral | Put Roman Numeral in name

Question 30

Single covalent bonds

Answer 30

two atoms are held together by sharing a pair of electrons | 1 covalent bond = 1 shared pair

Question 31

all halogens form ____________ bonds

Answer 31

single covalent

Question 32

unshared pair

Answer 32

pair of valence electrons that is not shared between atoms do not connect 2 atoms together "lone pair of electrons"

Question 33

strongest bond

Answer 33

triple

Question 34

VSEPR Theory

Answer 34

Repulsion between electron pairs causes molecular shapes to adjust so that the valence-electron pairs stay as far apart as possible

Question 35

Molecule with electronegativity of 0.0-0.4

Answer 35

Nonpolar covalent

Question 36

Molecule with electronegativity of 0.4-2.0

Answer 36

Polar covalent

Question 37

Molecule with electronegativity larger than 2.0

Answer 37

Ionic

Question 38

If a molecule is symmetrical.,,,

Answer 38

It is a nonpolar molecule

Question 39

If a molecule is NOT symmetrical...

Answer 39

It is a polar molecule

Question 40

Naming acids where the molecule ends in -ide

Answer 40

hydro_____ic + acid

Question 41

Naming acids where the molecule ends in -ate

Answer 41

_____ic + acid

Question 42

Naming acids where the molecule ends in -ite

Answer 42

______ous + acid

Question 43

Ionic compounds exist as ______ at room temperature

Answer 43

solids

Question 44

Properties of a covalent compound

Answer 44

low melting and boiling point, not conductors, insoluble

Question 45

polar bond

Answer 45

electrons unequally shared

Question 46

nonpolar bond

Answer 46

electrons equally shared

Question 47

Diatomic Molecules

Answer 47

H2, O2, N2, Cl2, Br2, I2, F2