Study Guide – Mid-Unit B Test

1. Listed below are properties of either: protons, electrons, or neutrons. 

•  subatomic particle with no charge       
• atomic number tells the number of these                 
• subatomic particle with a negative charge        
• The number of electrons is always equal to the       
  number of these particles in an atom
• the atomic mass is the sum of these two particles
• subatomic particle found outside the nucleus
• subatomic particle with a positive charge
• these particles are found in the nucleus of an atom
• these particles are found in the nucleus of an atom

• Study all Vocabulary Terms for Unit B.
• Know examples of element, compound, and mixture

 

Be able to fill in the information below.  There will be different elements on the test.

Compounds:  Write the name of the element and the number of atoms for each element in the following formulas. (THESE ARE EXAMPLES – These are not the ones on the test.)

•  hydrogen peroxide  H₂O₂         
•  mothballs  C₁₀H₈
•  baking soda  NaHCO₃
  

• Explain the relationship between atoms and molecules.

• What happens to the properties of elements as they combine to form a compound?

• After you drink a soda from a glass bottle, there are 3 options of what you can do with it.  What are they?