Purebred<span> — Also called HOMOZYGOUS and consists of gene pairs with genes that are the SAME. Hybrid - Also called HETEROZYGOUS and consists of gene pairs that are D i'FFEREN'i". </span>Genotype<span> is the actual GENE makeup represented by LE'H'ERS.</span>
        
             
        
        
        
The atomic mass of Europium is 152 amu
Work: 
 151(0.4803) = 72.52 amu
 153(0.5197) = 79.5 amu
 72.5 + 79.5 = 152 amu
        
                    
             
        
        
        
What are the phrases to choose from?
        
             
        
        
        
Answer:
more/less depending on if it lost or gained electrons during the ionic bond process
 
        
             
        
        
        
Answer:
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