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

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