Calculate the Predicted Atomic Radius for Selenium,Se,given the Atomic Radius

Multiple Choice

Calculate the predicted atomic radius for selenium,Se,given the atomic radius of sulfur,S, (0.104 nm) and tellurium,Te, (0.143 nm) .

A) 0.039 nm
B) 0.062 nm
C) 0.124 nm
D) 0.163 nm
E) 0.182 nm