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