Unit 1 Review 7th Grade

An example of matter made of only one element is

• water
• gold bar
• light bulb
• salad mixture

This is made up of one or more of the SAME kind of atom

• Element
• Mixture
• Compound
• Matter

DIFFERENT kinds of atoms chemically combined to form a substance are

• Mixture
• Element
• Compound
• Substance

Liquids that are combined together and maintain their physical properties are labeled as a 

• solute
• mixture
• solvent
• compound

_{Kool-aid is a type of drink. It's made with water, sugar, and flavoring. Which statement BEST describes why Kool-aide is a mixture?}

• The mix contains 3 ingredients.
• The different ingredients blend together.
• Each component maintains it's original properties.
• The substances are impossible to separate out of the mix.

Salt is a(n)

• element
• compound
• mixture

Sodium is a(n)

• element
• compound
• mixture

What is a substance that is dissolved in another substance? 

• Solution

• Solvent

• Solute

• Compound

What is the term for a mixture where one substance is evenly distributed within another?

• Suspension

• Colloid

• Solution

• Emulsion

Which of the following is a characteristic of a solvent?

• It is always a liquid

• It dissolves other substances

• It is always a solid

• It cannot be separated