1. Which of the following is made up of particles of matter?

• a baseball bat

• a rubber tire

• a human being

• all of the above

2. Which of the following describes an element?

• an individual part of a complex whole

• all the particles and all the matter in existence

• one of five different building blocks of the natural world

• a unique particle of matter that is a fundamental building block of matter

Which of the following is NOT true of atoms?

• Atoms make up the different elements.

• Every object in the world is made of atoms.

• Some atoms can be seen with a magnifying glass.

• An individual particle of an element is called an atom.

4. Atomic mass is the mass of

• a single atom.

• all the atoms in an element.

• any object made out of atoms.

• any number of atoms combined.

5. The periodic table of elements is a

• table that organizes elements by their atomic number

• list of all known compounds

• chart showing the states of matter

• collection of all known molecules

6. What is the smallest unit of an element?

• Compound

• atom

• Ion

• molecule

What is in the picture?

• Element

• Compound

What is in the picture?

• Element

• Compound

What's in the picture?

• Element

• Compound

What's in the picture?

• Element

• Compound