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