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