Unit I: A Review of Basic Principles

1. What is the major contribution of each person listed to the histroy of the atom?

  1. Thomson -
  2. Bohr -
  3. Chadwick -

2. John Dalton proposed the "Atomic Theory". What are the 5 major points of the theory?

3. Complete the following table:

Symbol

Name

Protons

Neutrons

Electrons

K

        

Al+3

       

0-2

       

Fe

       

N-3

       

4. Draw the Atomic Structure for the following atoms: Cl , S , V , Mg .

 

 

 

 

 

 

5. List four different types of bonds/forces which form between atoms and explain each of them.

 

6. List four different types of compounds.

 

 

 

7. Complete the following table:

Compound

Name

Type

Compound Mass
H3PO4      
Mg(OH)2      
NO2      
Fe2(CO3)3      
 

carbon dioxide

    
 

aluminium oxide

    

8. Complete the following table:

Element

Lewis Dot Diagram

Metal/Nonmetal

Ion Symbol
Magnesium      
Sulfur      
Nitrogen      
Lithium      

A Review of Basic Principles : Answers