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