The concentration of which component of the atmosphere has increased dramatically since the beginning of the industrial era?

Does hot water tend to rise or sink?

Process by which water changes from gas to liquid

Which two subatomic particles make up the atomic mass

Which is another name for groups of elements

Why does a catalyst not need to be replaced for a long time?

What happens when two objects made out of different materials are rubbed together? Subject: Electricity

In a redox reaction, which ion would you expect to be more easily reduced? In a redox reaction, which ion would you expect to be more easily reduced? Hypochlorite ion, ClO - They are equally reducible. Not enough information is given.

Which is the most important factor in determining the state of a substance? the size of the atoms in a substance the number of molecules in a substance the position of the electrons on the outer valence shells the balance between intermolecular

What happens when Potassium (K) forms and ion? A. It gains an electron <- - I believe this is correct. B. It loses an electron C. It shares and electron with a nonmetal D. It shares and electron with a metal

Which of the following is not a strong acid in aqueous solution? a. HI b. HF c. HClO4 d. HCl e. HBr