Elements, Compounds, and Mixtures

A substance that contains only one type of atom is a(n)

• compound
• element
• heterogeneous mixture
• homogeneous mixture

The smallest unit of an element that still has the properties of that element is?

• a substance
• a mixture
• a compound
• an atom

Which of these is a pure substance?

• bread
• table salt
• garden soil
• sea water

Two or more elements chemically combined:

• an atom
• a compound
• a mixture
• a pure substance

This picture represents which of the following?

• element
• compound
• mixture

This picture represents which of the following?

• Element
• Compound
• Mixture

This picture represents which of the following?

• element
• compound
• mixture

Tags

NGSS.MS-PS1-1

This picture represents which of the following?

• element
• compound
• mixture

The difference between elements and compounds is that...

• elements can be separated by physical means and compounds cannot.
• elements cannot be separated by physical means and compounds can.
• elements contain only one kind of atom and compounds contain more than one kind of atom.
• elements contain more than one kind of atom and compounds contain only one kind of atom.

A pure substance...

• is an element or a compound
• is an element or a mixture
• is a compound or a mixture
• is a mixture