A) negative B) neutral C) positive
A) Hydrogen B) Carbon C) Gold D) Aluminum
A) chemical property B) physical change C) chemical change D) physical property
A) physical change B) chemical change C) chemical property D) physical property
A) physical change B) physical property C) chemical change D) chemical property
A) rusting B) solidifying C) burning D) evaporating
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) release of heat energy C) change in shape D) change from a liquid to a gas
A) condensation B) vaporization C) deposition D) sublimination
A) condensation B) deposition C) sublimination D) vaporization
A) cells B) metal C) atoms D) carbon
A) element B) electron C) neutron D) proton
A) physical property B) chemical property C) physical change D) chemical change
A) density B) state C) shape D) form
A) All elements are metallic. B) Elements are made from mixtures of molecules. C) Each element contains only one kind of atom. D) There are only five known elements.
A) an element B) matter with no mass C) an alloy D) a compound
A) heat given off B) light given off C) color change D) a change of state
A) True B) False
A) chemical property B) physical property C) chemical change D) physical change
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) positive B) negative C) neutral
A) row B) metal C) family D) team
A) neutral B) positive C) negative
A) a compound B) an element C) a proton D) a mixture
A) an element B) a mixture C) a compound D) a proton
A) a compound B) an element C) a proton D) an atom
A) molecules B) The Noble Gases C) liquids D) elements |