A compound that produces hydrogen ions in solution, is a hydrogen-ion donor, or an electron-pair acceptor.

How do particles move when they are changing phases?

In an isotope, which subatomic particle varies in number?

What is the volume of. 04 mol of a gas at. 9 kPa and 20 degrees celsius

What is the arrangement of positive metal ions compared to valence electrons in a metallic bond? A. The valence electrons are free to move between different ions, while the positive metal ions are fixed in place. B.

2Mg + O2à MgO For this unbalanced chemical equation, what is the coefficient for oxygen when the equation is balanced? A. 1 B. 2 C. 3 D. 4

How many valence electrons are in atom of sulfur?

My sister needs this answered! Donald is creating an experiment to determine if fertilizer affects plant color. He makes this statement: "If each plant receives a different amount of fertilizer, then the plant's color intensity will change.

What would happen to life if earth were in a different location within the solar system

Substance that undergoes a change in a chemical reaction is a. a product c. a reactant. b. a chemical. d. an enzyme.

List the number of protons, neutrons, and electrons in Iodine-127. (atomic number is 53)