A) very far from one another B) held in fixed positions C) closely packed D) unevenly distributed
A) having lost electrons owing to energy content B) having definite shape and definite volume C) having neither a definite shape nor a definite volum D) having a definite volume but not a definite shape
A) atoms gain electrons B) atomic nuclei break down C) atoms lose electrons D) atoms form molecules
A) The energy remains unchanged. B) It is destroyed C) It is changed into matter D) It changes form, but is neither destroyed nor increased
A) bread dough B) vinegar (5% acetic acid) C) seawater D) vitamin C (ascorbic acid)
A) any substance with a uniform composition B) any group of elements that are chemically bonded to one another C) a combination of pure substances bonded chemically D) a blend of any two or more kinds of matter, as long as each maintains its own unique properties
A) heterogeneous B) a compound. C) homogeneous D) chemically bonded
A) element table B) random list C) periodic chart D) chemical chart
A) sucrose B) a gold ring C) granite D) salt water
A) air B) marble C) orange juice D) raw milk
A) periods B) groups or families C) rows of elements D) actinides
A) easy to break down into its components B) a good electrical and heat conductor C) very brittle D) very hard
A) semiconductors B) lanthanides C) unreactive D) from outer space
A) a good conductor B) malleable C) used to make jewelry D) brittle |