What is the formula for magnesium phosphide? NOTE: Since entering answers does not allow for subscripts, write Cs2S as Cs2S.

What is the formula for hypobromous acid?  

What is the name for H3PO4(aq)?

What is the name for PbO2?

What is the name for K3PO3?

Which one of the following is a metalloid? 

Complete the following calculation and round to correct number of significant figures: 0.0751 g + 321.3 g + 5 g + 9.6 g = ?

If the following four liquids were layered in a graduated cylinder according to their relative densities (and they do not  mix with each other), which one of the solids below would end up floating on the mercury? The liquid layers are shown in the following illustration:  

According to the reading from class (in Brightspace), what are some benefits of learning to give impromptu speeches?

Which description best fits what’s really going on with Blanche?