Elements

 

 

 

 

 

 

 

 

 


  1. What is the atomic number of fluorine? 

 

 

 

 

 

  1. How many electrons does fluorine have?

 

 

  1. How many neutrons does fluorine have?

 

  1. A family on the periodic table is ____.

 

  1. Which of these is the least reactive?

 

  1. Which of these applies to a proton?

 

  1. Which of these has the least mass?

 

  1. How is carbon – 14 different from carbon – 12?

 

  1. If a material has a ½ life of 8 days, how much is left after 24 days?

 

  1. A molecule formed by two of the same kind of atom is called _____?

 

  1. What is the name for an atom with a charge?

 

  1. Which of the following is not given off by radioactive materials?

 

  1. When atoms share electrons we have a ______ bond.

 

  1. The energy levels where electrons are found are called ____.

 

  1. The atomic mass of an element is equal to _____.