I NEED HELP KNOW LAST QUESTION ON MY TEST Explain why a law is accepted as fact, but a theory is not.

The p sub shell can hold up to 8 electrons in an atom. true or false?

Ageochemist examines a piece of metal that he found in the soil. he performs tests to identify the metal from its density, electrical conductivity, and melting point. which statement best describes his investigation? a. he is determining physical properties that are sufficient to identify the metal. b. he is determining chemical properties that are sufficient to identify the metal. c. he is determining physical properties that are insufficient to identify the metal. d. he is determining chemical properties that are insufficient to identify the metal.

Areaction is first order with respect to reactant x and second order with respect to reactant y. which statement describes the rate law for this reaction?