Review - Density, Elements & Compounds, Periodic Table

What are the three kinds of elements?

• Metals, plastic, and gases

• acid, reactive, and density

• silver, black, and white

• Metals, Nonmetals and Metalloids

What is an element?

• a substance made of many elements

• a pure substance that CANNOT be broken down

• a person, place or thing

• a pure substance that CAN be broken down

Is Bismuth (Bi) an element or a compound?

• element

• compound

Which of the following represents an element?

• H₂O

• NaCl

• H₂

• CaCO₃

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

• Element

• Compound

• Mixture

• Solids

How many elements are represented in the compound?

Na₂CO₃

• 1

• 2

• 3

• 4

Are there any compounds on the periodic table?

• Yes,there are many.

• No,because only elements are on the periodic table.

Put the liquids in order from most dense to least dense?

• 4, 3, 2, 1
• 1, 2, 3, 4
• 3, 4, 2, 1, 
• 4, 3, 1, 2

What is the formula for density?

• density = mass x volume
• density = mass / volume
• density = mass + volume
• density = mass - volume

Frank has an eraser. It has a mass of 4g, and a volume of 2cm³. What is its density?

• 8 g/cm³
• 2 g/cm³
• 1/2 g/cm³
• 24 g/cm³