Chapter 4

Question 1

Definition of acids

Answer 1

substances that ionize in aqueous solution to form hydrogen ions H+.

Question 2

Definition of Bases

Answer 2

substances that accept H+ ions

Question 3

Strong Acids

Answer 3

strong electrolyte that completely ionizes in a solution.

Question 4

Strong Base

Answer 4

strong electrolyte that completely ionizes in a solution.

Question 5

Oxidization/ Redox Reactions

Answer 5

When electrons are transfered from one reactant to another.

Question 6

Oxidization

Answer 6

Loss of electrons by a substance

Question 7

reduction

Answer 7

gain of electrons by a substance

Question 8

Oxidation numbers elemental form

Answer 8

always 0

Question 9

For any monoatomic ion the oxidation number

Answer 9

equals the ionic charge.

Question 10

Nonmetals usually have?

Answer 10

Negative Oxidation numbers

Question 11

Oxygen usually has -2 unless in

Answer 11

peroxidesWhich contain the (02) 2- ion. Giving it a -1 oxidation number.

Question 12

Oxidation number of hydrogen?

Answer 12

+1 when bonded to nonmetals, -1 when bonded to metals.

Question 13

Fluorine has a oxidation number of?

Answer 13

-1 in all compounds

Question 14

halogens have a oxidation number of?

Answer 14

-1 in most binary compounds, but +1 when combined with oxygen.

Question 15

Displacement reaction

Answer 15

ion in solution is replaced through oxidization of an element.

Question 16

Concentration

Answer 16

designate the amount of solute dissolved in a given quantity of solvent or quantity of solution.

Question 17

Molarity

Answer 17

expresses the concentration of a solution as the number of moles of solute in a litre of solution.

Question 18

Molarity Equation

Answer 18

Molarity= Moles Solute/ Volume of solutions in liters.