Which statement about the noble gases is most reliable? a. the chemistry of the reactions of noble gases is not very interesting. b. the noble gases are some of the most beautiful elements. c. the noble gases are in the rightmost column of the periodic table. d. the history of the discovery of noble gases is dull.

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.

What is the subscript for oxygen in its molecular formula

If one fission reaction of a uranium-235 atom produced two neutrons, how many neutrons would be released if the chain reaction occurred three more times?