Parts of Atoms Test

How do we know an atom has a neutral charge? 

• has to have the same number of protons and neutrons 
• It has to have the same number of protons and electrons 
• It has to have the same number of protons and neutrons 
• There is no way for this to happen in an atom

Look at the picture. What is the number of protons in Silicon? 

• Si
• 14
• 28.09
• 12

Look at the picture. What is the atomic number of Fluorine? 

• 9 
• 19.00
• 10
• 9.00

Look at the picture. What is the atomic mass of Fluorine? 

• 9 
• 19.00
• 10
• 9.00

Look at the picture. How many protons does Fluorine have? 

• 9 
• 19.00
• 10
• 9.00

Look at the picture. How many neutrons does Fluorine have? 

• 9 
• 19.00
• 10
• 9.00

Look at the picture. How many electrons does Fluorine have? 

• 9 
• 19.00
• 10
• 9.00

Look at the picture. What is the atomic mass of oxygen? 

• 8
• 26
• about 16 
• 2-6

Look at the picture. What is the atomic number of oxygen? 

• 8
• 26
• about 16 
• 2-6

Look at the picture. How many protons and electrons does oxygen have? 

• 8
• 26
• about 16 
• 2-6