Question

question 5. select all the properties that apply to nonmetals. dull appearance. high density. high melting and boiling points. poor conductors of electricity. good conductors of heat. brittle when solid

Explanation:

Non - metals generally have a dull appearance, are poor conductors of electricity, and are brittle when solid. They typically have low density and low melting/boiling points compared to metals and are poor conductors of heat.

Answer:

Dull appearance, Poor conductors of electricity, Brittle when solid