1. Which of the following correctly provides the names and formulas of polyatomic ions? A) chromate: Cro42 -; dichromate: Cr20, 2 -
B)nitrite: NO ~; nitrate: NO2
C) sulfite: s2 -; sulfate: S03
D) carbonate: HCO3 bicarbonate: CO32 -

Select the correct answer how does the heat content of the reaction change in the process of photosynthesis when a glucose molecule is formed? ca the value of is negative the value of qis positive the value of a remains constant the value of a decreases the value of equals zero e

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.

How many moles of al3+ ions are in 1.25 moles of al2o3