Chap 5

Question 1

Acetate

Answer 1

C2H3O2-

Question 2

Carbonate

Answer 2

CO3 2-

Question 3

Hydrogen carbonate

Answer 3

HCO3-

Question 4

Hydroxide

Answer 4

OH-

Question 5

Nitrate

Answer 5

NO3-

Question 6

Nitrite

Answer 6

NO2-

Question 7

Chromate

Answer 7

CrO4 2-

Question 8

What’s the law of composition ?

Answer 8

All samples of a given compound have the same proportion of their constituent elements

Question 9

What’s the empirical formula?

Answer 9

The simplest whole-number ratio of atoms of each element in a compound

Question 10

What’s molecular formula?

Answer 10

The actual number of the atoms of each element in a molecule of compound

Question 11

What are two types of elements?

Answer 11

Atomic elements: single atoms

Molecular elements: diatomic molecules

Question 12

List all molecular elements?

Answer 12

H2
N2
O2
F2
Cl2
Br2
I2

Question 13

What’s a molecular compound?

Answer 13

It’s composed of two or more non metals, its basic unit is molecules

Question 14

What are ionic compounds?

Answer 14

They are composed of one or more metal cations and one or more nonmetal anions

Question 15

The basic unit of a an ionic compound is ….

Answer 15

Formula unit

Which is the smallest electrically neutral collection of ions