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