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