Chemistry 1 Quiz Chapter 1-4

Vitellium phosphate has the formula, Vi₃(PO₄)₂, while sodium nortonate has the formula, Na₂NtO₄.   Which of the following would be the expected formula for vitellium nortonate? (Imaginary elements are used in this question.)

A chemist set up a synthesis of solid phosphorus trichloride by mixing 12.0 g of solid phosphorus with 35.0 g chlorine gas and obtained 42.4 g of solid phosphorus trichloride. Calculate the percentage yield of this compound

What is the best Lewis Structure for

HClO4

XeF4

I3–

BrF5

Yitterbium crystallizes with a face centered cubic lattice. The atomic radius of Yitterbium is 175 pm. Determine the unit cell length.