What role do valence electrons play in the formation of compounds from elements?

Give two uses of nitrogen

What is one thing NOT impacted by Acid Rain. A) Granite B) Metal C) Limestone

Based upon the ion charge of the following polyatomic ions, predict the formula for the following compounds. sulfate = SO4 - 2 phosphate = PO4 - 3 hydroxide = OH - sodium sulfate NaSo4 Na2SO4 Na (SO4) 2 NaSO8

If you have 200 grams of iodine how many atoms do you have?

Which is a characteristic of nuclear fusion?

How many moles of neon (Ne, 20.179 g/mol) are in 68.4 grams of neon

A 50.00 mL sample of groundwater is titrated with 0.0300 M EDTA. Of 12.40 mL of EDTA is required to titrate the 50.00 mL sample, what is the hardness of the groundwater in molarity and in parts per million of CaCO 3 by mass

Why openness is important to the progress of science?

At a certain temperature the rate of this reaction is second order in NH4OH with a rate constant of 34.1 M^-1s^-1: Suppose a vessel contains NH4OH at a concentration of 0.100M.

If you go into the lab and dissolve 2.11 g of magnesium chloride in enough water to make 1500 ml of solution, what is the molarity of the resulting solution?