Quiz 2 Review

Multiple Choice

How many neutrons are in the following element?

• 2

• 7

• 14

• 28

Multiple Choice

There are 4 elements outlines in red, which of the following elements would be considered a poor conductor of heat and electricity?

• Ca

• Cr

• Ag

• O

Multiple Choice

A student is looking at properties of metals. Which statement describes a chemical property of metal?

1. 1. The metal has a density of 9.3

2. 2. The metal has a green color

3. 3. The metal rust when exposed to air

4. 4. The metal has a boiling point of 1082 degrees

• Statement 1

• Statement 2

• Statement 3

• Statement 4

Multiple Choice

Which image represents a mixture?

• 1

• 2

• 3

Multiple Choice

The following set of red elements are classified as?

• Non-metals

• Metalloids

• Metals

• Elements

Multiple Choice

Which correctly classifies the properties used to describe the metals?

• 1 and 3: physical properties; 2: chemical property

• 1 and 2: physical properties; 3: chemical property

• 2 and 3: physical properties; 1: chemical property

• 1 and 3: chemical properties; 2 physical property

Multiple Choice

As ice is melting, the motion of the particles...

• stops

• increases

• remains the same

• decreases

Multiple Choice

Atomic mass = Protons + Neutrons

What is the atomic mass of the following element?

• 3

• 4

• 7

• 12

Multiple Choice

Most jewelry is made of elements from groups 10 and 11. Why do you think these metals are best for making jewelry.

• They are good conductors

• They are malleable and ductile

• They are rare and dull

• They are soft but poor conductors

Multiple Choice

What kind of matter is shown in the image.

• Compound

• Element

• Mixture

• Proton

Multiple Choice

Which of the following statements are true.

1. 1. All matter consists of atoms

2. 2. The three phases of matter are solid, liquid, gas

3. 3. Only solid and liquid have volume

• All 3 are true

• 1 and 3

• 2 and 3

• 1 and 2

Multiple Choice

What is being described by the following statements?

1. 1. The substance is made of 2 different elements

2. 2. The substance can be separated by physical means

3. 3. The contents can't be visibly identified

• homogeneous mixture

• compound

• heterogeneous mixture

• element