2Na(s)+Br2(g)→2NaBr(s)
3 molNa and 3 molBr2
Express your answer as a chemical formula.

This is a characteristic of the elements in the periodic table that shows a pattern. it may increase or decrease across or down the table.

Summarize possible ways in which phases of matter could combine to form a solution.

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.