The Nature of Matter

Water and solutions

Carbohydrates and Lipids

Nucleic Acids and Proteins

Energy and Reactions

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500 500 500 500 500

True/False: All matter is made

of atoms.

What is an atom?

What are the three types of particles found in an atom and what is the charge of each?

Explain the difference between an atom, element, and compound.

What is the difference between ionic, covalent, and hydrogen bonding AND give an example of each type?

True/False: A molecule is a

stable group of elements.

Define solution and give an example of a

solution.

Are the hydrogen bonds between water molecules adhesion

or cohesion? How do you know?

What is the difference between acids and bases? Use pH and hydrogen ions in your answer.

Why is water sometimes referred to as the “universal

solvent”?

What three types of atoms are found in all carbohydrates?

Describe the structure of starch. Is it a mono/di/poly

saccharide?

Are lipids polar or nonpolar? Do they dissolve easily in

water?

What is the difference between

saturated and unsaturated fats?

What are two functions of

carbohydrates?

Do all cells contain nucleic

acids?

What are the three parts of a

nucleotide?

What are the building blocks of amino

acids? How many different types of

building blocks are

there?

What determines a

protein’s shape and function?

What do all organic compounds have in common? What are

the four main types of organic compounds?

True/False: Energy exists in many forms—including light, heat, chemical energy, mechanical energy, and electrical energy- and cannot be converted from one for to another.

The starting materials for chemical reactions are called _______. The newly formed

substances are called

_______.

What effect do enzymes have on the

rate of chemical reactions?

To use a chemical ice pack, a small bag of solution is broken open inside the larger bag of

liquid. The two liquids mix and get cold. What type of reaction is taking place inside the ice pack?

How do you know?

Explain how enzymes speed up chemical

reactions.