Pure Matter

Pure Matter

Poll

Do you agree that you understand mixtures enough to be able to study pure matter?

• yes, let's go

• no, I need to review

• not sure, I need a tutorial

Multiple Choice

Is sugar (C₁₂H₂₂O₁₁) an element or a compound?

• Element
• Compound

Multiple Choice

Is Iron (Fe) an element or a compound?

• Element
• Compound

Multiple Choice

Carbon is considered an element, while carbon dioxide is considered a compound. This is because carbon dioxide is ---

• a gas at room temperature.

• made of two different elements.

• given off by green plants.

• useful to human beings

Multiple Choice

Composed of at least two different elements

• Elements

• Compounds

• Both

Multiple Choice

Represented by an unique chemical symbol

• Elements

• Compounds

• Both

Multiple Choice

Two or more different elements chemically combine to form compounds.

• Agree

• Disagree

Multiple Choice

Both elements and compounds are pure substances.

• Agree

• Disagree

Multiple Choice

Compounds have properties different from the elements that make it up.

• Agree

• Disagree

Multiple Choice

How many elements are represented in the compound?
Na₂CO₃

• 1
• 2
• 3
• 4

Multiple Choice

How many Oxygen atoms are in 2Al₂O₃?

• 3

• 2

• 5

• 6

Multiple Choice

How many Nitrogen atoms are in the in H₂C₃O₄N₅?

• 2

• 3

• 4

• 5

Multiple Choice

How many Hydrogen atoms are present in H₂0?

• 2

• 4

• 1

• 0

Multiple Choice

What is the picture displayed?

• atom
• element
• molecule
• compound

Multiple Select

Select two words that describe this diagram

• molecule

• element

• atom

• compound

Multiple Choice

Two or more atoms joined together make up a _____.

• compound

• molecule

• solution

Multiple Choice

A substance that is made up of atoms of more than one element is a _______. 

• compound
• rust
• molecule