The solid above sink to the bottom when you put a container filled with it what does that tell you about density

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.

What metric units would you use to measure the thickness of a key

How could a student test the effect of removing heat from a gas that is stored in a sealed container? what must occur in order for matter to change states?