Each side of a square is increasing at a rate of 7 cm/s. At what rate is the area of the square increasing when the area of the square is 16 cm2?

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.