Silicate is SiO3 2- or SiO4 4-. What is the formula of Sodium Silicate

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.

This statement about matter and its behavior is best classified as a

Acompound has the molecular formula c3h8. which class of organic compounds does it belong to?