Matter and temperature

Which of the following can be separated by physical means?

• atoms

• compounds

• mixtures

A substance that contains 2 or more different elements chemically joined

• atom

• compound

• heterogeneous mixture

• solution

Tags

NGSS.MS-PS1-1

a group of 2 or more atoms joined together by chemical bonds.

• atom

• molecule

• mixture

• element

Tags

NGSS.MS-PS1-1

the smallest particle of an element that retains the chemical identity of the element

• compound

• atom

• mixture

A pure substance that cannot be broken down into simpler substances by physical or chemical means.

• compound

• solution

• element

• heterogeneous mixture

Water (H₂O) is an example of a

• element

• compound

• solution

• heterogeneous mixture

Tags

NGSS.MS-PS1-1

Gold is an example of an _____

• element

• compound

• solution

• heterogeneous mixture

A taco is an example of a ________

• element

• compound

• heterogeneous mixture

• homogeneous mixture

On what temperature scale does water freeze at 0^o and boils at 100^o

• Fahrenheit

• celsius

• Kelvin

What is the temperature scale that water freezes at 32^o and boils at 212^o

• Fahrenheit

• celsius

• kelvin