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Atomic structure

JCO

Recap of key words for atomic structure

1   2           3    
   
  4             5
   
   
6                  
  7    
8                  
     
9              
   
10               11
  12          
13        
  14            

Across
1.The number of protons plus neutrons
4.The element with an atomic number of 7 is...
6.Any particle inside the atom is known as a ______ particle
7.Flurorine has 9 protons and ______ neutrons
8.The number of protons is always the same as the number of.....
9.A subatomic particle with no charge
10.The element with a proton number of 3 is....
12.A subatomic particle with positive charge
13.An electron has a mass close to....
14.The element with an atomic mass of 12 is....
Down
2.The mass of a proton or a neutron is...
3.tells you the number of protons in an atom
5.The centre of the atom
8.A subatomic particle with negative charge
11.The basic building block of matter

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