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