How many electrons does v5+ have

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.

If two atoms are bonded to a central atom with no lone pairs,how will they be arranged

Which formula can be used to calculate the molar mass of hydrogen peroxide