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