Ap Exam

Question 1

List basic facts: Phosphorus

Answer 1

2 Allotropes : White and Red
Can Combine with oxygen and hydrogen
Used in: Matches Rat Poison And Grenades
Compounds: Phosphorous acids Phosphates

Question 2

List an Example of Allotrope

Answer 2

The same elemental substance in different molecular forms and possessing different properties.

Question 3

The order of increasing enthalpy.

Answer 3

Gas Liquid Solid

Question 4

How many molecules in .5 Moles Of CuNO(2)

Answer 4

P=(n)(6.0210^23)= 3.0110^23

Question 5

List some Basic facts: Sulfur

Answer 5

Not active at Room Temperature
Large amount of occur in nature
Occurs in three allotropic forms.

Question 6

List some facts about Bromine

Answer 6

Liquid at room temperature.
Prepared From seawater.
Used in the Petroleum, Drug, Photographic industries.

Question 7

List some Basic Facts: Iodine

Answer 7

Obtained from nitrate and seawater. Used in the drug industry and in table salt

Question 8

List some basic facts: Chlorine

Answer 8

Kill Bacteria in Water
Component of Gastric Juice in Stomach
Table salt
Produced by electrolysis in seawater.

Question 9

List some Basic Facts: Flourine

Answer 9

Elemental Gas is poisonous Component of freon( Refigerator gas)

Question 10

List some Basic Facts about Mercury:

Answer 10

The only liquid metal at room Temperature