When Ca+2 and O-2 form a compound what is the overall charge of the compound formed

How many oxygen atoms are in 10 formula units of AI2 (SO4) 3

Which of the following measurements is expressed to three significant figures? A. 0.0006 m B. 6066 mg C. 6.40 * 10-7 km D. 0.060 mm

A 0.1 M solution enatiomerically pure chemical compound D has an observed rotation of 0.20 degrees in a 1 atm sample container. The Molecular mass of the compound is 150. a. What is the specific rotation of D? (I already know this part) b.

Which of the following polyatomic ions has a positive charge? Ammonium Nitrate Hydroxide Hydrogen carbonate Sulfate

Identify the spectator ions in the following molecular equation. LiCl (aq) + AgNO3 (aq) → AgCl (s) + LiNO3 (aq)

How does improving food-storage facilities make farming more sustainable? A. It decreases the amount of water needed. B. It keeps food from rotting as quickly and being wasted. C. It decreases the amount of land needed. D.

Which of the following shows the correct net ionic equation for the reaction between HCl and NH3?

How would non secretion of of saliva effect digestion of food in the mouth.

Which of the following is insoluble in water? a." (NH) SO b. Na so c. Maso d. ZnSO e Baso

What is the difference between a root word and a combining form? List 2 examples of combining form