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Periodic Crossword

Ciara Wilkerson

1
 
2 3           4 5
       
6        
7   8        
9              
    10 11                
12                
       
    13            
  14  
15            
     
  16       17  
   
18        
19  
   
20        
 
21        

Across
2.A chemical element in the boron group with symbol Al and atomic number 13
6.a chemical element with symbol Sn and atomic number 50. It is a main group metal in group 14 of the periodic table
8.a chemical element with symbol Ne and atomic number 10. It is in group 18 of the periodic table.
9.a chemical element with symbol I and atomic number 53
10.a nonmetallic chemical element with symbol P and atomic number 15. A multivalent pnictogen, phosphorus as a mineral is almost always present in its maximally oxidised state,
12.A chemical element with symbol Cs and atomic number 55
13.A chemical element with the symbol Br, and atomic number of 35.
15.a chemical element with symbol He and atomic number 2
16.is the chemical element with symbol C and atomic number 6.
18.A chemical element with the symbol Au and atomic number 79 Is a dense, soft, malleable,
20.A chemical element with symbol Ar and atomic number 18. It is in group 18 of the periodic table
21.a chemical element with the symbol Xe and atomic number 54
Down
1.A metallic chemical element; it has the symbol Zn and atomic number 30. It is the first element of group 12 of the periodic table.
3.a chemical element with symbol Li and atomic number 3. It is a soft, silver-white metal belonging to the alkali metal group of chemical elements.
4.A chemical element with the symbol Mg and atomic number 12Its common oxidation number is +2. It is an alkaline earth metal and the eighth most abundant .
5.a chemical element with symbol Kr and atomic number 36. It is a member of group 18 elements.
7.A chemical element with the symbol Na and atomic number 11
11.A chemical element with chemical symbol H
12.A chemical element with the symbol Cu and atomic number 29. It is a ductile metal with very high thermal and electrical conductivity.
14.a chemical element with the chemical symbol Ni and atomic number 28. It is a silvery-white lustrous metal with a slight golden tinge
17.A chemical element with symbol O and atomic number 8.
19.A chemical element with symbol B and atomic number 5.boron is produced entirely by cosmic ray spallation

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