A piece of metal ore weighs 9.25g. When a student places it into a graduated cylinder containing water the liquid level rises from 21.25mL to 26.47mL. What is the density of the metal ore?

How many significant figures are there in the answer to the following calculation?

What species is represented by the following information? p+ = 46 no = 60 e- = 45

Report the volume measurement for the graduated cylinder below:

What is the formula of the compound that would form between beryllium and chlorine?

Which of the following elements is a transition element?

Sodium belongs to the ____ groups of the periodic table.

How many bromide anions are there in 0.500g of MgBr2?

Determine the empirical formula for a compound that is 36.86% nitrogen and 63.14% oxygen by mass.

Identify the chemical symbol of element Q in (_34^76)Q