Atoms Compounds Molecules Mixtures

Which is an example of a homogenous mixture?

• Lucky Charms cereal

• salt dissolved in water

• orange juice with LOTS of pulp

• trail mix

What is a substance made of two or more elements that are chemically combined called?

• A. element

• B. compound

• C. mixture

• D. solution

What is the definition of a compound?

• The smallest part of any substance which can exist on its own

• Two or more atoms chemically joined together (can be the same or can be different)

• A simple substance in which all the atoms are identical

• Two or more different elements chemically joined together

This picture represents which of the following?

• element

• compound

• mixture

Tags

NGSS.MS-PS1-1

The smallest unit of an element is

• a compound.

• a molecule.

• an atom.

• a mixture.

Is salt (NaCI) a compound or an element?

• Compound

• element

Tags

NGSS.MS-PS1-1

All matter is made of .....

• energy 

• atoms 

• air

• chemistry

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

A substance that cannot be broken down into any other substance by ordinary chemical means is called

• a molecule.

• a mixture.

• an element.

• a compound.

Two or more physically combined substances form

• a compound.

• an acid.

• an element.

• a mixture.

What is an example of a mixture?

• Table salt

• Water

• Oxygen

• Air