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