In a couplet one statement is and one is A. Agreeing and rejecting
B. Deciding and Acting
C. Informing and Agreeing

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.

Answer explain why it is not possible to deduce a complete order of reactivity.

How do you know when a chemical reaction has occurred