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