Types of Matter

Which of the following best describes atoms?

• The smallest unit of a compound.

• The smallest unit of a molecule.

• The smallest unit of an element.

• The largest unit of a substance.

Tags

NGSS.MS-PS1-1

The Mercury (Hg) in a thermometer is a (n) _________.

• element

• compound

• homogeneous mixture

• heterogeneous mixture

This diagram represents a _____

• pure substance that is a compound

• mixture of molecules

• pure substance that is an element

• mixture of compounds

Tags

NGSS.MS-PS1-1

How many different types of molecules are pictured?

• 2

• 3

• 4

• 8

Tags

NGSS.MS-PS1-1

Which definition describes a mixture?

• Matter that is uniform in composition.

• Matter that is variable in composition

• Matter that cannot be separated.

• Matter that is always solid.

What is an example of a mixture?

• iron

• ice

• soil

• gold

Which of these is a mixture?

• laundry detergent

• salt (NaCl)

• Oxygen (O)

• Fluorine (Fl)

This type of matter consists of one type of atom.

• Compounds

• Mixtures

• Heterogeneous Mixtures

• Elements

This type of substance cannot be broken down into the original components.

• water

• tacos

• pure substance

• mixture

This type of matter can vary in substance.

• Matter

• Elements

• Compounds

• Mixture