You are given 2 balls that are made of the same material. They are also the same size and color. One is hollow and one is solid. Determine the physical property that could be used to identify the ball as a solid. Group of answer choices

boiling point

solubility

pH

density

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.

Stage in which a typical star has completely stopped fusion

The molar mass of nickel(ni) is 58.7 g/mol. how many moles are in an 88 gram sample of nickel?