The reaction 2KClO3(s) --> 2KCl(s) + 3O2(g) is a(n) Group of answer choices
combustion reaction.
ionic reaction.
synthesis reaction.
decomposition reaction.

Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.

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 molar mass of potassium nitrate, kno3