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