Semester 1 Final Review

Question 1

In the following reaction, the products are

Accepted Answer

CO2 and H2O

Question 2

Dry Ice is an example of _________________________________.

Accepted Answer

Sublimation

Question 3

How do you find density?

Accepted Answer

mass over volume

Question 4

When a substance condenses, the particles move...

Accepted Answer

Slower and closer together

Question 5

All matter is made of

Accepted Answer

atoms

Question 6

Which of the following is NOT a phase change?

Accepted Answer

Dissolving

Question 7

The "end result" of a chemical reaction is known as the

Accepted Answer

products.

Question 8

Water is made of

Accepted Answer

2 hydrogens, 1 oxygen

Question 9

Which of the following involves an INCREASE in kinetic energy?

Accepted Answer

Evaporation

Question 10

Which group on the periodic table is the most reactive?

Accepted Answer

Alkali metals

Question 11

Mass and Weight are the same thing.

Accepted Answer

False

Question 12

How do you find the volume of a cube?

Accepted Answer

Length times width times height

Question 13

Which phase change turns a liquid into a gas?

Accepted Answer

Evaporation

Question 14

The negative charged subatomic particle is called

Accepted Answer

electron

Question 15

What is the density of water?

Accepted Answer

1 g/cm3

Question 16

Which statement describes what happens to the water when it is placed in a pan on a hot stove?

Accepted Answer

The particles move faster and faster as heat is added.

Question 17

What is density?

Accepted Answer

The amount of stuff crammed into something

Question 18

In the following equation, the subscript of H in the product H2O is

Accepted Answer

2

Question 19

What states of matter have a definite volume?

Accepted Answer

liquid and solid

Question 20

The "beginning ingredients" in a chemical reaction are known as the

Accepted Answer

reactants

Question 21

An object should float in a liquid if.....

Accepted Answer

It's less dense than the liquid

Question 22

2 reactants, one 65 g & one 15 g, combine to make one product. The mass of the product is

Accepted Answer

80 g

Question 23

An object's mass is 12g and its volume is 4mL. What is the density?

Accepted Answer

3g/mL

Question 24

On a hot day, you have a cold 2 L coke. Soon water forms on the bottle. Why?

Accepted Answer

condensation

Question 25

How many meters are in a Kilometer?

Accepted Answer

1000

Question 26

The reactants in the following equation are

Accepted Answer

Na and Cl2

Question 27

An object has a density of 0.9g/mL. Will it sink or float in water?

Accepted Answer

Float

Question 28

In a solid, the particles __________.

Accepted Answer

vibrate in place

Question 29

How do you SLOW the motion of particles of a substance as much as possible?

Accepted Answer

cool it off

Question 30

What state of matter has the fastest moving particles?

Accepted Answer

gases

Question 31

Which accurately describes nonmetals?

Accepted Answer

Poor conductors of electricity

Question 32

Groups on the periodic table are arranged

Accepted Answer

Vertically

Question 33

Which group of elements is un-reactive?

Accepted Answer

Noble Gases

Question 34

The place that neutrons and protons are in an atom is the :

Accepted Answer

nucleus

Question 35

The system of measurements that is used worldwide and also in this classroom is called:

Accepted Answer

The SI system

Question 36

How are liquids and gases alike?

Accepted Answer

They both take the shape of their containers.

Question 37

Which of these is the proper SI Unit for mass?

Accepted Answer

Gram

Question 38

Protons are found in the

Accepted Answer

nucleus

Question 39

What is the neutral charged subatomic particle called

Accepted Answer

neutron

Question 40

When a substance melts, the particles move...

Accepted Answer

Faster and farther apart

Semester 1 Final Review

Questions 40

Semester 1 Final Review

Questions 40