Round 23,455 into 4 significant figures: cm 23.46
23.40
23.45

List the two type of transporst that the cell in orde to transport molecules acroos the membrane

Which best describes why nh4+ can form an ionic bond with ci-?

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.