Matter Test practice

All elements are composed of extremely small particles called ___.

• compounds

• mixtures

• molecules

• atoms

Tags

NGSS.MS-PS1-1

Substances that cannot be broken down chemically into other new substances are ___.

• mixtures

• elements

• compounds

• liquids

Chemical bonds are formed through which subatomic particle(s)?

• electrons

• neutrons

• protons

• electrons and protons

Tags

NGSS.MS-PS1-1

Earth’s crust and mantle both contain silicon and ________.

• iron

• aluminum

• oxygen

• carbon

Anything that has mass and takes up space is ___.

• energy

• a mixture

• a chemical change

• matter

Which of the following is true about a compound?

• It contains elements combined in a specific ratio.

• It is made of only one kind of element.

• It is made of substances that keep their individual properties.

• It contains elements that are physically combined.

Tags

NGSS.MS-PS1-1

How many atoms in total does a molecule of C₃H₈ have?

• 24

• 3

• 8

• 11

Tags

NGSS.MS-PS1-1

How many atoms are in Ca₂CO₃?

• 5

• 2

• 6

• 4

Tags

NGSS.MS-PS1-1

Which is an example of a mixture?

• Table salt (NaCl)

• Oxygen (O)

• Air

• Carbon Dioxide (CO₂)

Which is singular for compound?

• molecule

• atom

• compound

• mixture