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