Elements and Compounds

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

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

• Element
• Mixture
• Compound
• Solids

Tags

NGSS.MS-PS1-1

Which of the following an element?

• Carbonic Acid
• Copper
• Iron and Copper
• Water

How many elements are represented in the compound?
Na₂CO₃

• 1
• 2
• 3
• 4

Tags

NGSS.MS-PS1-1

What is the difference between Co and CO?

• CO is an element but Co is a compound

• Nothing is different. They are the same thing.

• CO is two elements and Co is only one element

• Co is not a pure substance

Tags

NGSS.MS-PS1-1

Which one is a compound?

• Ni

• F

• Re

• NaCl

Tags

NGSS.MS-PS1-1

How many different elements are in the compound?

• 12

• 3

• 24

• 6

Tags

NGSS.MS-PS1-1

"Na" is the element's

• Chemical Formula

• Compound

• Name

• Chemical Symbol

Tags

NGSS.MS-PS1-1

The place where known elements are represented...

• The Period Table

• Compounds

• Chemical Formula

• Graph