QuestionList the symbols of chemical elements with atomic number < 74 and atomic mass > $174.0 \mathrm{u}$.

Studdy Solution
The only element with atomic number less than74 and atomic mass greater than174.0 u isungsten (W, atomic number74, atomic mass183.84 u).
So, the symbol for the chemical element that has atomic number less than74 and atomic mass greater than174.0 u is W (ungsten).