A) neutral B) positive C) negative
A) Hydrogen B) Gold C) Aluminum D) Carbon
A) chemical change B) chemical property C) physical change D) physical property
A) physical property B) physical change C) chemical change D) chemical property
A) chemical change B) physical change C) chemical property D) physical property
A) solidifying B) evaporating C) rusting D) burning
A) burning of paper B) salting of food C) freezing of water D) melting of chocolate
A) sublimination B) melting C) evaporating D) burning
A) change in shape B) release of heat energy C) dissolving of a solid D) change from a liquid to a gas
A) vaporization B) deposition C) sublimination D) condensation
A) condensation B) sublimination C) vaporization D) deposition
A) metal B) cells C) carbon D) atoms
A) element B) neutron C) proton D) electron
A) physical property B) physical change C) chemical property D) chemical change
A) density B) form C) state D) shape
A) There are only five known elements. B) Each element contains only one kind of atom. C) Elements are made from mixtures of molecules. D) All elements are metallic.
A) a compound B) an element C) an alloy D) matter with no mass
A) a change of state B) light given off C) heat given off D) color change
A) True B) False
A) physical property B) physical change C) chemical change D) chemical property
A) never can be reversed B) cannot be reversed easily C) always can be reversed D) never will change state
A) True B) False
A) False B) True
A) neutral B) negative C) positive
A) family B) team C) row D) metal
A) neutral B) negative C) positive
A) an element B) a proton C) a mixture D) a compound
A) a compound B) a proton C) a mixture D) an element
A) an atom B) a compound C) an element D) a proton
A) molecules B) liquids C) elements D) The Noble Gases |