Which term names elements that are usually dull and brittle, and do not conduct electricity? a. gases b. metals c. solids d. nonmetals

In a popular classroom demonstration, solid sodium is added to liquid water and reacts to produce hydrogen gas and aqueous sodium hydroxide. part a write a balanced chemical equation for this reaction. express your answer as a chemical equation. identify all of the phases in your answer.

The name of the ion, s2-, is: sulfurous ion sulfide ion sulfur ion sulfate ion

Clyde and marilyn are riding a roller coaster. during which section(s) of the track is their potential energy converted to kinetic energy? a. from point b to point c only b. from point b to point d only c. from point a to point b only d. from point a to point b and from point c to point d