Order shapes from least to most dangerous

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.

Stoichiometry- i need with 14 and 15! an explanation would be appreciated!

Mach the labels with the symbols on the weather map