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periodic table

Jasmine Ramos

1 2
3               4    
       
      5              
         
6      
7                  
      8          
9       10            
       
    11   12       13    
14                
           
  15           16      
       
     
     
17      
 

Across
3.the number of protons and neutrons in the nucleus of an atom
5.most stable elements
7.pure substance that can not be seperated into simple substance
8.atomic masss of 63.54
9.19 protons
12.most reactive metals
14.symbol Fe
15.negatively charged particels surrounding and orbitting the nucleus
17.atomic mass of 207.2
Down
1.pure substances formed by the chemical combination of elements
2.atomic number of 47
3.the smallest partical of an element having the properties of the element
4.the number of protons in the nucleus of an atom
5.symbol Au
6.non-charged particles in the nuecles of an atom
8.contains electrical energy either positive or negitive
10.14 protons
11.the cnter core of an atom containing protons and neutrons
13.positively charged particles in the nucleus of an atom
16.atomic mass of 16

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