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Perodic Table

Carolyn Huitt

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

Across
3.A nonmetallic element, such as carbon, that can form an alloy with metals.
7.Relating to or forming a cell nucleus
8.Makes up one half of the atoms mass
11.The mass of an atom, usually expressed in atomic mass unit
12.Molten cast iron.
13.Such as oxygen or sulfur, that lack the physical and chemical of metals
16.Is the number of protons in the nucleus
18.Move fluid and particles along ducts in multicellular form
19.A member of a set
20.A silvery, moderately hard metallic element that constitutes approximately
Down
1.Structural alloys, pyrotechnics, flash photography, and incendiary bombs
2.Of an atom that can participate in forming chemical bonds with other atoms
4.Same number but different mass numbers
5.A nucleus acid carries the genetic information in the cell
6.A stable subatomic particle in the lepton family having a rest mass
9.Of the periodic table, including helium, neon, argon, krypton, xenon, and radon
10.And diamond and as a constituent of coal, limestone, and petroleum,
14.Silvery-white, ductile metallic element, the most abundant in the earth's crust
15.By volume that occurs as a diatomic gas
17.A hereditary unit consisting of a sequence of DNA

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