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