Compounds and Elements

Which of the following is not a compound?

• HCl
• Cl
• NaCl
• CO₂

Tags

NGSS.MS-PS1-1

What cannot be broken down into other substances?

• Compound
• Mixture
• Solids
• Element

Salt has a chemical formula of NaCl.  Salt is a...

• Compound
• Element
• Mixture
• None of the Above

Tags

NGSS.MS-PS1-1

When you create a compound, the new substance gets new properties and the original elements lose their properties. 

• True
• False

Tags

NGSS.MS-PS1-2

A compound is a substance which contains .......

• only one type of atom
• only two types of atom
• two or more chemicals which can be easily separated
• two or more different elements chemically joined together

Tags

NGSS.MS-PS1-1

Which of the following is an element?

• Carbonic Acid (H₂CO₃₎
• Copper (Cu)
• Rust (Fe₂O₃)
• Water (H₂O)

Which of the following is not a compound?

• HCl
• Cl
• NaCl
• CO₂

Tags

NGSS.MS-PS1-1

How many elements are on the Periodic Table 

• 20
• 557
• 118
• 4

Which is not an element

• Ag
• O
• C₆H₁₂O₆
• He

What is made up two or more elements that are chemically combined?

• Element
• Mixture
• Compound
• Solids

Tags

NGSS.MS-PS1-1