What is the most common ion for sulfur

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.

Explain in detail of the four major scientific developments that spurred the formulation of the plate tectonics theory

What element has similar physical and chemical properties as boron.