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Andreyy89
3 years ago
14

Write the symbol for every chemical element that has atomic number less than 75 and atomic mass greater than 173.5 u.

Chemistry
1 answer:
bearhunter [10]3 years ago
8 0
Following are the chemical elements that have atomic mass greater than 173.5 u and atomic number less than 75.

1.  Lutetium
                  Atomic Number  =  71
                  Atomic Mass      =  174.97 u

2.  Hafnium
                  Atomic Number  =  72
                  Atomic Mass      =  178.49 u

3.  Tantalum
                  Atomic Number  =  73
                  Atomic Mass      =  180.95 u

4.  Tungsten
                  Atomic Number  =  74
                  Atomic Mass      =  183.85 u
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