Atoms, Elements, Compounds, and Mixtures

Compounds are chemically bounded together. True or false?

• False

• True

Can an element be broken down into a simpler substance?

• Yes

• No

Are there any compounds on the periodic table?

• Yes, there are many

• No, because only elements are on the periodic table

Which one has more than one type of atom in it?

• Element

• Compound

Which one only has one type of atom In it?

• Element

• Compound

Is salt (NaCI) a compound or an element?

• Compound

• Element

What cannot be broken down into other substances?

• Compound
• Mixture
• Solids
• Element

Which of the following represents an element?

• H₂O
• H₂
• NaCl
• CaCO₃

Which of the following is not a compound?

• HCl
• Cl
• NaCl
• CO2

Tags

NGSS.MS-PS1-1

A combination of substances that are not chemically combined is called a(n)____________. 

• mixture
• compound
• physical