Name: 
 

High School Chemistry - Lesson 1 - Practice Exercise 1-1



Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
 

 1. 

Atomic numbers in the Periodic Table _______ in the periods from left to right.
a.
are the same
b.
are almost the same
c.
decreases
d.
increases
 

 2. 

Atomic mass in the Periodic Table _______ in the periods from right to left.
a.
decreases
b.
increases
c.
are almost the same
d.
are the same
 

 3. 

Atomic numbers in the Periodic Table _______ in the groups from top to the bottom.
a.
decreases
b.
increases
c.
are the same
d.
are almost the same
 

 4. 

Atomic mass in the Periodic Table _______ in the groups from top to the bottom.
a.
decreases
b.
are almost the same
c.
are the same
d.
increases
 

 5. 

The atomic mass and number of Calcium is _____  Fluorine.
a.
equal to
b.
Can not be determined.
c.
less than
d.
greater than
 



 
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