Matter and Change Study Guide 23-24 Chem

What is an atom?

• Smallest possible piece of rock

• Smallest possible particle

• Largest possible particle

• Largest piece of rock

An element is.....

• ...made up of lots of atoms

• ... is more than one kind of atom

• ...made up of one kind of atom

• .... made of one atom

Why is water not an element?

• It is made of hydrogen and carbon atoms

• It is made of oxygen and hydrogen atoms

• It is made of oxygen atoms

• It is made of hydrogen atoms

An atom is made up of how many different types of subatomic particles?

• One
• Two
• Three
• Four

Can compounds be found in the periodic table?

• Yes
• No

A compound is made up of how many elements

• 1

• 2 or more

A mixture is a combination of two or more substances in any proportions. The mixture does not chemically combine and the substances retain their physical properties

• true

• False

Which kind of mixture has the same composition throughout.

• Heterogenous

• Homogenous

Which kind of mixture varies in its composition.

• Heterogenous

• Homogenous

What kind of change occurs if matter changes in amount, size, or shape?

• substance change

• chemical change

• physical change

• elemental change