Element and Compound Pre-Assessment

While elements and compounds are related, they are different. Unlike elements, compounds -

• consist of only one type of atom

• are the smallest form of a particle

• exist only as pure substances

• are made of at least two types of matter

This picture represents part of the Periodic Table. “Na” is called the element’s-

• formula

• name

• symbol

• compound

Which of the following is a compound?

• Water

• Oxygen

• Chlorine

• Aluminum

Tags

NGSS.MS-PS1-1

Which of the following elements is one of the major components of living organisms?

• Sulfur

• Carbon

• Copper

• Silicon

Look at the given compound. How many different elements are in the compound?

• 1

• 2

• 4

• 5

Tags

NGSS.MS-PS1-1

This table has two columns of different kinds of matter. Which of the following is the best label for the second column?

• Atoms

• Pure substances

• Compounds

• Mixtures

Tags

NGSS.MS-PS1-1