igneous sedimentary, and metamorphic rocks are found at the same cliff side. Which statement is correct?

Which statement correctly describes metallic bonds? a. they form when certain atoms lose electrons and other atoms gain electrons. b. they involve an attraction between anions and cations. they always involvpoth a metal and a nonmetal. d. they can only form between atoms of the same element. e. they form because electrons can move freely between atoms.

The fact that the total amount of energy in a system remains constant is a(n)

At element makes up all organic compounds?