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