Please help im doing a test and i really dont know Which of the following best describes the properties of metals?

a
hard, brittle, and unconducive
b
liquid, dark, and conductive
c
shiny, malleable, and conductive
d
soft, oily, and very reactive

Determine the number o moles of ions/atoms/particle in the following: 2.50 miles of k2s (let me know how to do)

An atom of lithium (li) and an atom of chlorine (cl) engage in a chemical reaction. which correctly describes the structure of the resulting chemical compound? hint: consider the class of each element. the chemical compound will have a network structure. the chemical compound will have triple bonds. the chemical compound will have a ball-and-stick structure. the chemical compound will have double bonds.

Which of the following are sources of revenue for media companies? a. direct sales to producers b.advertising and subscriptions c. online purchase d. capital investments