How many molecules of NaF are created from 4.00 moles of fluorine? 2 NaCl(s) + F2(g) → 2 NaF(s) + Cl2(g)

6.02 × 1023 molecules

2.41 × 1023 molecules

8.00 molecules

4.82 × 1024 molecules

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.