Chemistry Unit

Question 1

Cation

Answer 1

Forms when atoms lose elections

Question 2

Anion

Answer 2

Forms when atoms gain electrons

Question 3

For Covalent naming, what name can never be used on the first element?

Answer 3

Mono- (meaning one)

Question 4

Chemical Reaction

Answer 4

The process in which new substances with new properties are formed

Question 5

Whats the Symbol for Solid, Gas, Liquid, and Aqueous solution?

Answer 5

(S), (G), (L), (AQ)

Question 6

What are the Diatomic and their function?

Answer 6

They can never be alone, they must have a 2 when they are not paired with another element.
I2, BR2, CL2, F2, O2, N2, H2

Question 7

Synthesis Reaction

Answer 7

A + B = AB

Question 8

Decomposition Reaction

Answer 8

AB = A + B

Question 9

Combustion Reaction

Answer 9

Products contain carbon atom and water

Question 10

Complete Combustion

Answer 10

Occurs when the conditions are ideal for the minimum amount of oxygen to react.
Ex. CH4 + 2O2 = CO2 + 2H2O

Question 11

Incomplete Combustion

Answer 11

Occurs when there is less than the maximum amount of oxygen to react.
*anything that does not form CO2 and H2O

Question 12

Single Displacement

Answer 12

One element knocking off another….

-Metal knock off metal and non-metal knock off non-metal

Question 13

Activity Series is used for…?

Answer 13

Single Displacement: High must knock off low or else its no reaction!

Question 14

Double Displacement

Answer 14

Both elements knocking off each other to switch the equation.

Question 15

What do you use to predict states?

Answer 15

Solubility Chart

Question 16

Soluble

Answer 16

AQ Solution

Question 17

Insoluble

Answer 17

Solid

Question 18

Acid

Answer 18

A substance that release H+ ions when dissolved in an aq solution.

Question 19

Base

Answer 19

A substance that released OH- ions when dissolved in an aq solution.

Question 20

Binary Acid

Answer 20

Hydrogen + Non-metal

Question 21

Oxyacids

Answer 21

Hydrogen + polyatomic ion

Question 22

Naming for Binary Acids

Answer 22

1. Name non-metal
2. Add prefix hydro
3. Change ending to -ic acid

Question 23

Formula for Binary Acid

Answer 23

1. Non-metal element and ionic charge
2. Combine it with hydrogen (H goes first)
3. Add (aq) to formula

Question 24

Naming and Formula for Oxyacids

Answer 24

Same thing but don’t use the prefix hydro!

Question 25

Writing Names and Formulas for Bases

Answer 25

Follow rules for ionic compound with Polyatomic acid

Question 26

PH Scale

Answer 26

Measures the acidity or basicity

Question 27

PH less than 7

Answer 27

Acidic solution… more H+

Question 28

PH more than 7

Answer 28

Basic solution… more OH-

Question 29

PH equals 7

Answer 29

Natural solution, equal H+ and OH- (water)