If your conclusion does not agree with (disproves) your hypothesis:

A the experiment must be wrong

B your hypothesis is right

C your hypothesis is probably wrong

D your observations or data must be wrong

Which of the following is the only metal that is liquid at room temperature? A. Nickel B. Magnesium C. Sodium D. Mercury

Which prefix indicates a molecule with 2 carbon atoms?

Why is polymerization a type of addition reaction

What are the most common elements in a canyon?

When steam is passed through red hot coke, a mixture of two gases is formed. Explain with reaction

TRUE OR FALSE A stable mixture of two or more mixable substances is called an emulsion

A chemical engineer is developing a process for producing a new chemical. One step in the process involves allowing a solution of potassium hydroxide to react with a solid. Which action would most likely increase the reaction rate for this step?

Determine which elements are balanced and unbalanced for each chemical equation below when every compound is given a coefficient of one.

A scientist has two solutions, which she has labeled Solution A and Solution B. Each contains salt. She knows that Solution A is salt and Solution B is salt. She wants to obtain ounces of a mixture that is salt.

Reactions that affect the nucleus of an atom are called? A. Fusions B. Radioactive decays C. Nuclear reactions D. Fissions