Compounds, Elements and Mixtures

Which element makes up most of Earth's atmosphere

• oxygen

• nitrogen

• hydrogen

• silicon

Which element make up most of our oceans?

• oxygen

• hydrogen

• sodium

• chloride

Which element is used for adding strength to glass?

• carbon

• nitrogen

• silicon

• hydrogen

Which of the following cannot be broken down into any other substance?

• matter

• element

• molecule

• compound

Which of these can be the particles that make up matter?

• Both elements and compounds

• Neither elements nor compounds

• Elements only

• Compounds only

Which of these never has more than one type of atom?

• compound

• mixture

• molecule

• element

Which of these can be easily separated?

• compound

• element

• molecule

• mixture

The properties of a mixture...

• are a mixture of the properties of the parts

• are totally different than the individual parts

• are determined by the element with the greatest atomic mass

• not enough information to answer

The properties of a compound...

• are a mixture of the properties of the parts

• can be totally different than the properties of the parts

• not enough information

• are determied by the element with the greatest atomic mass

Tags

NGSS.MS-PS1-1

Which of the following compounds is salt?

• NaCl

• H₂O

• MgSO₄

• C₆H₁₂O₆