1.
A) less reactive B) just as reactive C) less shiny D) more reactive 2.
A) ozone B) oxygen C) hydrogen D) helium 3.
A) mercury B) hydrogen C) helium D) silver 4.
A) Sodium B) Lead C) Magnesium D) Barium 5.
A) hardness B) symbol C) atomic mass D) atomic number 6.
A) acids B) noble gases C) salts D) gases 7.
A) seldom B) do not C) always D) violently 8.
A) easily confused with other metals B) similar to each other C) different from each other D) nonmetals 9.
A) no chemical B) nonmetallic C) unusual D) magnetic 10.
A) lead, silver, and mercury B) silver, gold, and platinum C) fluorine, chlorine, and bromine D) silver, fluorine, and mercury 11.
A) circularly B) diagonally C) horizontally D) vertically 12.
A) nitrogen and phosphorus B) uranium and plutonium C) mercury and lead D) gold and silver 13.
A) atomic mass B) atomic number C) hardness D) symbol 14.
A) high melting point B) low boiling point C) soft D) brittle 15.
A) property B) bull's eye C) letter D) element key 16.
A) boron B) metal C) carbon D) noble 17.
A) oxygen B) carbon C) sodium D) bromine 18.
A) sulfur, oxygen, and hydrogen B) sulfur, nitrogen, and phosphorus C) sulfur, helium, and hydrogen D) sulfur, nitrogen, and oxygen 19.
A) carbon B) hydrogen C) gold D) mercury 20.
A) hydrogen B) helium C) carbon dioxide D) oxygen
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