Elements, Compounds, and Solutions

Water is made up of hydrogen and oxygen, two elements that were chemically combined. This makes water a(n)

• atom

• compound

• element

• mixture

__ is a pure substance containing two or more kinds of atoms.

• Element

• compound

• mixture

• solution

Which of the following are both solutions?

• Water and chicken noodle soup

• Baking powder and cornstarch

• milk and household bleach

• lemonade and soda pop

One group is typically described as containing materials that are exvellent conductors of electricity, ductile and lustrous. Which of the following groups can be classified by thess characteristics?

• metals

• nonmetals

• elements

• compounds

An element is a ___ that cannot be separated into simpler substances by physical or chemical means.

• pure substance

• mixture

• solution

• compound

How many atoms are present in one molecule of glucose, C6H12O6

• 3

• 12

• 24

• 4

Which of the following is a heterogenous mixture?

• neon

• soil

• steel

• salt water

Which of the following is a homogeneous mixture?

• sand in a bottle

• lemonade

• Mercury

• salad

A __ mixture is a mixture in which the composition is not uniform throughout the mixture.

• element

• homogenous

• heterogenous

• compound

Which of the diagrams below represent a mixture?

• A

• B

• C

• D