Ch6 (The Language of Chemistry)

Question 1

What does IUPAC stand for?

Answer 1

International Union of Pure Applied Chemistry

Question 2

What are the 5 common classes of inorganic compounds?

Answer 2

1. Binary ionic
2. Ternary ionic
3. Binary molecular
4. Binary Acid
5. Ternary oxyacid

Question 3

What 3 things fall under the category of inorganic compounds and acids?

Answer 3

Ionic
Molecular
Aqueous Acid

Question 4

What two things fall under ionic?

Answer 4

Binary ionic compound
Ternnary ionic compound

Question 5

What falls under molecular?

Answer 5

Binary molecular compound

Question 6

What two things fall under aqueous acid?

Answer 6

Binary acid
Ternary oxyacid

Question 7

Binary Ionic Compounds

Answer 7

Contain two elements: one metal and one nonmetal (ex. NaCl and AlCl3)

Question 8

Ternary Ionic Compounds

Answer 8

Contain three elements

Question 9

Binary Molecular Compounds

Answer 9

Contain two elements that are both nonmetals (ex. ammonia, NH3, and water, H2O)

Question 10

Binary Acid

Answer 10

Aqueous solution of a compound containing Hydrogen and a nonmetal

Question 11

Ternary Oxyacid

Answer 11

An aqueous solution of a compound containing hydrogen, oxygen, and another nonmetal

Question 12

Aqueous solution (aq)

Answer 12

A solution where water is a solvent/dissolves another substance

Question 13

Ion

Answer 13

An atom or group of atoms with a charge

Question 14

Cation

Answer 14

A positive ion

Question 15

Anion

Answer 15

A negative ion

Question 16

Polyatomic ion

Answer 16

A group of atoms with a charge

Question 17

Metals … valence electrons forming …

Answer 17

lose, cations

Question 18

Stock System

Answer 18

For transition metals in ionic compounds, a Roman numeral indicates the positive charge of the metal ion. (So roman numeral = ion charge)

Question 19

Latin System

Answer 19

Designates the charge using the suffixes -ic or -ous

Question 20

The cation with the lower charge recieves the … suffix

Answer 20

-ous (Cu+ = cuprous ion)

Question 21

The cation with the higher charge recieves the … suffix

Answer 21

-ic (Cu2+ = cupric ion)

Question 22

Co2+ and Co3+

Answer 22

Cobaltous ion and cobaltic ion

Question 23

Hg2 ^2+
Hg^2+

Answer 23

Mercurous ion
Mecuric ion

Question 24

Nonmetals … valence electrons and form …

Answer 24

Gain, anions

Question 25

How are monoatomic anions named?

Answer 25

By adding the suffic -ide to the root name of the element

Question 26

Oxyanions

Answer 26

Polyatomic anions with one or more elements combined with oxygen

Question 27

How are Oxyanions named?

Answer 27

By adding the suffic -ate or -ite

Question 28

What oxyanions end in the suffix -ite

Answer 28

If they have one less oxygen than oxyanions that in in ate

Question 29

-ite and -ate ions have ... charge

Answer 29

the same

Question 30

What two polyatomic ions end in -ide?

Answer 30

Hydroxide (OH-) Cyanide (CN-)

Question 31

Ionic compound

Answer 31

composed of positive and negative ions (total pos charge - total neg charge)

Question 32

Formula unit

Answer 32

The simplest representative particle of an ionic compound (simplest statement of the ingredients, doesn't include subscripts)

Question 33

How do you name ionic compounds?

Answer 33

Combine the cation and anion name (cation first, anion second)

Question 34

Molecule

Answer 34

The simplest representative particle of a binary molecular compound (The smallest piece of a molecular compound made of two different elements, for example, H2O)

Question 35

Naming binary molecular compounds

Answer 35

The first element in the compound is named first, and the second elemebt has the suffix -ide

Question 36

Greek prefix for 1 atom

Answer 36

mono-

Question 37

Greek prefix for 2 atoms

Answer 37

di-

Question 38

Greek prefix for 3 atoms

Answer 38

tri-

Question 39

Greek prefix for 4 atoms

Answer 39

tetra-

Question 40

Greek prefix for 5 atoms

Answer 40

penta-

Question 41

Greek prefix for 6 atoms

Answer 41

hexa-

Question 42

Greek prefix for 7 atoms

Answer 42

hepta-

Question 43

Greek prefix for 8 atoms

Answer 43

octa-

Question 44

Greek prefix for 9 atoms

Answer 44

nona- OR ennea-

Question 45

Greek prefix for 10 atoms

Answer 45

deca-

Question 46

When is the prefix mono- used?

Answer 46

When the SECOND element only contains one atom

Question 47

The formula of an acid always begins with ...

Answer 47

H

Question 48

How are binary acids named?

Answer 48

By using the prefix hydro- before the element stem and adding the suffix -ic acid

Question 49

If the acid is derived from an oxyanion ending in -ate, the suffix is changed to ...

Answer 49

-ic acid

Question 50

If the acid is derived from an oxyanion ending in -ite, the suffix is changed to ...

Answer 50

-ous acid

Question 51

When do you use greek-suffixes to label the # of atoms?

Answer 51

When it's a nonmetal+nonmetal

Question 52

What 3 elements are the exception to the Stock system (AKA they don't need a Roman numeral)

Answer 52

Zn, Cd, and Ag