What is the charge for all elements in group 2A

When an atom gains an electron, the resulting particle is calledA) a proton. B) an anion. C) a cation. D) an isotope. E) none of the above

Aluminum hydroxide is often present in antacids to neutralize stomach acid (HCl). If 14.0 g aluminum hydroxide is present in an antacid tablet, determine the theoretical yield of aluminum chloride produced when the tablet reacts with stomach acid.

Which of the following are produced by the process of respiration A. Sugar and carbon dioxide B. Light energy with water C. Carbon dioxide and water

Additional energy is required to move second and successive electrons from an ion. Which element could have the following series of ionization energies (IE) ?

List facts of protons, electrons and neutrons

If a sample of gas occupies 400 ml at a pressure of 800 mm Hg, what will be it's volume if the pressure is reduced to 700 mm Hg

Why are water storage tanks usually built on towers or hilltops?

What is convection cell

One example of a decomposition reaction is the electrolysis of water. the chemical reaction can be expressed by the equation 2 h2o →2 h2 o2. the reactant (s) of this chemical reaction is/are?

When the positive ion of one compound replaces the positive ion of another compound?