Name: 
 

Chemistry – Atomic and Molecular Structure Lesson 1-2 Posttest



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

 1. 

Of the 118 elements, most are ________.
a.
Semi-Metals
b.
Metals
c.
Non-Metals
d.
None of the above
 

 2. 

Using the Periodic Table of the Elements, classify H.
a.
Semi-Metal
b.
Metal
c.
Non-Metal
d.
None of the above
 

 3. 

Metal elements usually have ____________ electrons in their outer shells.
a.
2, 3, or 4
b.
3, 4, or 5
c.
1, 3, or 5
d.
1, 2, or 3
 

 4. 

Metals reflect light because of
a.
the semi-loose electrons moving around within them.
b.
the energy they give off.
c.
the electricity they have.
d.
the loss of electrons.
 

 5. 

Which element is considered one of the most ‘reactive’?
a.
Ne
b.
F
c.
Na
d.
N
 



 
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