Classification of Matter

Worksheet: Classification of Matter

I.

KEY Name___________________

Fill in the Blanks

element A(n) ____________ is a pure substance that is made of only one kind of atom. element The symbol for a(n)____________ is always one or two letters. When the symbol uppercase contains two letters, the first letter is always ____________, and the second lowercase letter is always ____________. compound A(n) ____________ is a pure substance containing two or more elements that are chemically compound ____________ combined. A(n) ____________ is represented by a chemical compound formula ____________. The elements in a(n) ____________ always combine in definite (or same) proportions. ____________ physically mixture A(n) ____________ is made of two or more substances that are ____________ mixture homogeneous combined. A(n) ____________ that is uniformly mixed is called ____________. solution mixture A special name for this is a(n) ____________. A(n) ____________ that is not heterogeneous uniformly mixed is called ____________. A special type of mixture that is a solid solution alloy ____________ of two or more metals is called a(n) ____________.

II.

Classify each of the following as an element (E), compound (C), homogeneous mixture/solution (S), or heterogeneous mixture (HE). chocolate chip cookie oxygen gas salt water taco gold carbon dioxide water kool aid table salt muddy water potassium brass graphite glass air

HE _____ E _____ S _____ HE _____ E _____ C _____ C _____ S _____ C _____ HE _____ E _____ S _____ E _____ C _____ S _____

CHEMISTRY: A Study of Matter © 2004, GPB

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