Elements and Compounds Short

Which of the following is not a compound?

• HCl

• NaCl

• Cl

• CO₂

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

• Compound

• Mixture

• Element

• None of the Above

What cannot be broken down into other substances?

• Compound

• Solids

• Mixture

• Element

A section of the Periodic Table is shown. What is the Chemical Symbol for Magnesium?

• 12

• Magnesium

• 24.31

• Mg

Is water an element or a compound?

• Element
• Compound

A compound consists of two or more elements bound together.

• True
• False

How many elements are represented in the compound?
Na₂CO₃

• 1
• 2
• 3
• 4

Both elements and compounds are pure substances.

• Agree

• Disagree

Located on the Periodic Table

• Elements

• Compounds

• Both

Represented by an unique chemical symbol

• Elements

• Compounds

• Both