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.
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).
A compound is a combination of two or more types of __________________ .
An element is a substance that (can)(cannot) be separated into two or more
types of matter by __________________ or __________________ methods.
A compound is a substance that has been __________________ by physical
methods, but not by __________________ methods.
Matter is anything which occupies ______________ and has ______________ .
Energy is the ability to do __________________ . Examples of energy are
e__________________y, h ________________ , and l ________________ .
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.
Examples of physical properties are s _______________ l, c _______________ ,
s _______________ e, f _______________ p _______________ ,
b _______________ p _______________ , and s _______________ y.