1.
__________ is an alkali metal.A) Lead B) Sodium C) Magnesium D) Barium 2.
Which elements are essential for life?A) uranium and plutonium B) gold and silver C) mercury and lead D) nitrogen and phosphorus 3.
Lanthanides are __________.A) easily confused with other metals B) similar to each other C) different from each other D) nonmetals 4.
Hg is the symbol for __________.A) hydrogen B) silver C) helium D) mercury 5.
A substance that can make something happen faster but is not changed itself is a __________.A) catalyst B) metal C) platinum D) gas 6.
Alkali earth metals are __________ than alkali metals.A) less shiny B) less reactive C) just as reactive D) more reactive 7.
A(n) __________ of elements on the modern periodic table contains elements with similar chemical and physical properties.A) group B) area C) zone D) family 8.
From left to right, what are the order of zones on a periodic table?A) metals, nonmetals, and metalloids B) metals, metalloids, and nonmetals C) nonmetals, metalloids, and metals D) metalloids, metals, and nonmetals 9.
What is a common property of nonmetals?A) poor conductors B) shininess C) ductility D) malleability 10.
According to the periodic table, iodine will have similar chemical and physical properties to which element?A) bromine B) carbon C) oxygen D) sodium 11.
Which gas is a noble gas?A) hydrogen B) oxygen C) helium D) ozone 12.
The iron triad has __________ properties.A) magnetic B) no chemical C) nonmetallic D) unusual 13.
The __________ contains the name, atomic number, symbol, and atomic mass of an element.A) property B) bulls eye C) letter D) element key 14.
Silicon exists in the __________ group.A) metal B) carbon C) noble D) boron 15.
Which element is a gas at room temperature?A) mercury B) hydrogen C) gold D) carbon 16.
Mendeleev arranged the elements in his periodic table by increasing __________.A) hardness B) symbol C) atomic number D) atomic mass 17.
Moseley arranged his periodic table by increasing __________.A) atomic mass B) symbol C) hardness D) atomic number 18.
Halogens form __________ when mixed with alkali metals.A) acids B) noble gases C) salts D) gases 19.
Mendeleev arranged families of elements __________ in his periodic table.A) horizontally B) circularly C) vertically D) diagonally 20.
Sulfuric acid contains which elements?A) sulfur, oxygen, and hydrogen B) sulfur, helium, and hydrogen C) sulfur, nitrogen, and phosphorus D) sulfur, nitrogen, and oxygen