EXERCISES, LESSON 1
INSTRUCTIONS. Write the word, words, symbols, or numbers that properly completes
the statement in the space provided or mark the correct word/phrase from those given.
After you complete the exercises, turn to Solutions to Exercises and check your
answers. Reread the material referenced for each exercise answered incorrectly.
1.
An atom is a c__________________ building block. An atom is the
__________________est part of an (element) (compound) that remains
unchanged during any __________________ reaction and exhibits the
(chemical) (physical) properties of that (element) (compound).
2.
A compound is a combination of two or more types of __________________ .
3.
An element is a substance that (can)(cannot) be separated into two or more
types of matter by __________________ or __________________ methods.
4.
A compound is a substance that has been __________________ by physical
methods, but not by __________________ methods.
5.
Matter is anything which occupies ______________ and has ______________ .
6.
Energy is the ability to do __________________ . Examples of energy are
e__________________y, h ________________ , and l ________________ .
7.
The three physical states of matter are s _______________ , l _____________ ,
and g _______________ . A s __________________ has a definite shape and
a/an __________________ volume. A liquid has a/an __________________
shape and a/an __________________ volume. A gas has a/an
__________________ shape and volume.
8.
Examples of physical properties are s _______________ l, c _______________ ,
s _______________ e, f _______________ p _______________ ,
b _______________ p _______________ , and s _______________ y.
MD0803
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