The density of a liquid having a volume of 30.0 mL and a mass of 27.583g is...

Non metal is an element or substance that is not a metal metal is a solid material that is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivitymetalloid is an element (e.g., germanium or silicon) whose properties are intermediate between those of metals and solid nonmetals. they are electrical semiconductors.

While unproven, it uses facts to support part of a conclusion. it is still factual and has predictive power, however.