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