If the percent by volume is 2.0% and the volume of the solution is 250mL what is the volume of solute in solution

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.

How are the terms group and period used on the periodic table

Which of the following isotopes has the same number of neutrons as phosphorus-31?