A(n) is something that represents an idea or object to help people better understand it. theory

method

model

observation

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 substance has a mass of 9.5g and volume of 2.1cm^3

  the mississippians were considered to be  horticulturalists, which means they were