AP Chemistry Exam Review Part 1

Question 1

Compared with nonmetals, the number of valence electrons in metals is generally

Accepted Answer

smaller

Question 2

Grahams Law states, the effusion rates of two gases at the same T and P in inversely related to

Accepted Answer

the square root of their molar masses

Question 3

A polar molecule contains

Accepted Answer

a region of positive and negative charge

Question 4

If the third energy level contains 15 electrons how many more could it possibly hold?

Accepted Answer

3

Question 5

If the temperature of a vessel remains constant how can it's pressure increase?

Accepted Answer

The number of gas molecules in the vessel can increase

Question 6

Which is an example of effusion?

Accepted Answer

Air escaping a pin hole in a tire

Question 7

Why does the atomic radius generally increase as you move down a a group?

Accepted Answer

The number of energy levels increases

Question 8

The hybrid orbitals used in the bonding of a methane CH4 molecule are

Accepted Answer

sp3

Question 9

What is the notation for the 3 highest energy electrons in an atom with atomic number 21?

Accepted Answer

4s23d1

Question 10

When atoms bond they

Accepted Answer

decrease their PE becoming more stable

Question 11

Two gases, same temp but different pressures. The Kinetic Molecular Theory does not predict

Accepted Answer

both gases have the same densities

Question 12

An molecule which has more than one bonding arrangement is known as

Accepted Answer

resonance

Question 13

The hybridization orbitals used in the bent water molecule are

Accepted Answer

sp3

Question 14

If the percentage yield is 100%, then

Accepted Answer

the actual yield = the theoretical yield

Question 15

The number of electrons in the highest energy level of an Argon atom (Atomic # =18) is

Accepted Answer

8

Question 16

The main energy level of an atom is indicated by the

Accepted Answer

Principle quantum number

Question 17

For each additional electron removed from an atom the ionization energy

Accepted Answer

increases

Question 18

The group of soft reactive metals with one outer energy level electron are called

Accepted Answer

Alkali Metals

Question 19

How many electrons would be shown in the Lewis Structure of the hydroxide ion?

Accepted Answer

8

Question 20

Which reactant controls the amount of product produced?

Accepted Answer

limiting reactant

Question 21

What is the most common ion of calcium?

Accepted Answer

Ca2+

Question 22

Electron pairs separating as far as possible is a key component of this theory

Accepted Answer

VESPR

Question 23

In most chemical reactions the amount of product yielded is

Accepted Answer

less than the theoretical yield

Question 24

An atom with electrons in the lowest possible energy state is in the

Accepted Answer

Ground state

Question 25

As you move across a row, atomic number increases while the size of the atomic radius

Accepted Answer

generally decreases

Question 26

Multiple covalent bonds can occur in atoms that contain carbon, nitrogen or

Accepted Answer

oxygen

Question 27

What is the shape of a carbon dioxide molecule?

Accepted Answer

Linear

AP Chemistry Exam Review Part 1

Questions 27

AP Chemistry Exam Review Part 1

Questions 27