Identify the particles of an atom. positively charged, electron, proton, neutron, and negatively charged.

As the [ H3O+] in a solution decreases, the [ OH - ] A) Increases and Ph increases B) Increases and the PH decreases C) decreases and the PH increases

Gypsum is a mineral that is used in the construction industry to make drywall (sheetrock). The chemical formula for this hydrated compound is CaSO4 2 H20. A hydrated compound contains water molecules within its crystalline structure.

What is the variable for the equilibrium constant Re K Ec E

Which type of bond is most likely to occur in the compound mgcl2?

If the products of a reaction are Co2 and 2H20, what is known about the reactants?

What product (s) forms at the cathode in the electrolysis of an aqueous solution of k2so4?

What element is used as a shield to protect people from radioactive substances?

The frequency of a given region of the electromagnetic spectrum is more than 3 x 1019 HZ. Note that the speed of light is 2.998 x 108 m/s. Which waves are found in this region? A. gamma rays B. visible light C. microwaves D. radio waves E. x-rays

A farmer uses water to irrigate his potato crops. Which roles of water does this examplify

How was helium first discovered?