Chemistry Chapter Two Review

Vocabulary

100

This is the smallest particle of an element.

Atom

200

Matter composed of only one kind of atom.

Element

300

Matter in which components can be physically separated.

Mixture

400

Matter made up of elements that are chemically combined.

Compound

500

A liquid mixture that separates into different parts if left standing.

Suspension

Vocabulary Continued

100

A group of symbols that show the elements in a compound.

Chemical Formula

200

The substance in a solution that is present in the smaller amount.

Solute

300

The substance in a solution that is present in the larger amount.

Solvent

400

A mixture in which the different particles are spread out evenly.

Solution

500

A solution of two or more metals.

Alloy

Periodic Table

100

What is the chemical symbol for carbon?

C

200

What is the chemical symbol for gold?

Au

300

What is the chemical symbol for potassium?

K

400

How many known elements are there?

118

500

Elements can be classified into four groups. What are they?

Metals, non-metals, semi-metals, and noble gases.

Compounds, Mixtures, & Solutions

100

Give an example of a compound.

H₂O

200

Below is the compound for sugar.

C₁₂H₂₂O₁₁

What items in this compound can be found on the periodic table?

C - Carbon, H - Hydrogen, and O - Oxygen

300

Below is the compound for sugar.

C₁₂H₂₂O₁₁

How many atoms are in one molecule of sugar?

45

400

What 3 factors might affect the rate at which salt dissolves in water?

1. How quickly the solution is stirred

2. The size of the salt particles

3. The temperature of the water

500

List the 4 methods for separating a mixture.

1. Evaporation

2. Straining

3. Using a Magnet

4. Dissolving

Matter

100

Matter can be divided into two major groups. What are these groups?

Substances and Mixtures

200

A substance can be divided into two groups. What are these groups?

Elements and Compounds

300

Mixtures can be divided into two groups. What are these groups?

Evenly and Unevenly Mixed

400

True or False.

All mixtures are solutions.

If false, make the statement true.

False. All solutions are mixtures.

500

What makes a mixture a solution?

The particles must be dissolved and evenly mixed.