Mixtures and compounds Flocabulary

Which two types of matter are pure substances?

• homogenous mixtures and elements

• solutions and compounds

• elements and compounds

• mixtures and elements

Unlike an element, a(n) ________ may be separated through a physical process like filtration.

• mixture

• compound

• atom

• molecule

Mixtures that have the same composition throughout are ________.

• heterogeneous

• homogenous

• pure substances

• elements

Which of the following describes a heterogeneous mixture?

• carbon monoxide, a toxic gas with the chemical formula CO

• simple syrup, a substance that has two parts sugar to every one part of water throughout

• beach sand, a substance that can contain rocks, shells, metals and other substances distributed unevenly throughout

• sulfur, a substance with atomic number 16 and the symbol S on the periodic table.

To form brass, copper and zinc combine but do not chemically bond. Brass is a(n) ________.

• atom

• element

• compound

• mixture

Sulfur dioxide is a smelly, toxic gas. It is made of the elements sulfur and oxygen and cannot be physically separated. Sulfur dioxide is represented by the chemical formula SO_2

SO​2

​​. Sulfur dioxide is a(n) ________.

• element

• compound

• heterogeneous mixture

• solution

Beryllium appears on the periodic table with the symbol Be. It may bond with sulfur to form the compound BeS. Beryllium is a(n) ________.

• element

• compound

• heterogeneous mixture

• solution

Cracker jacks contain peanuts and popcorn. Eve hates peanuts, so she picks out the popcorn and leaves the peanuts in the bowl. Based on this description, cracker jacks are a(n) ________.

• atom

• element

• compound

• mixture

In the lab, Gregory is using a substance that has the same composition throughout. He separates the substance into a liquid and solid using a physical process. Based on this description, Gregory’s substance is a(n) ________.

• element

• compound

• heterogeneous mixture

• solution

Lemonade contains lemon juice and sugar dissolved in water. What is the solvent in lemonade?

• water

• lemon juice

• sugar

• There is no solvent in lemonade.