The Kinetic Theory of Matter

Practice Test
  1.Covalent bonding results when this element reacts with fluorine.  
  a.   lithium  
  b.   oxygen  
  c.   iron  
  d.   potassium  
  2.At the same temperature, the average speed of hydrogen molecules is _____________ that of chlorine molecules.  
  a.   much less than  
  b.   slightly less than  
  c.   about the same as  
  d.   much greater than  
  3.The elements in Groups 1, 2, and 13-17 are called the _____________.  
  a.   transition elements  
  b.   main group elements  
  c.   alkali metals  
  d.   noble gases  
  4.___________ sharing of electrons results in ionic bonding.  
  a.   Highly unequal  
  b.   Electronegative  
  c.   Slightly unequal  
  d.   Equal  
  5.This Group 13 metal is obtained from its ore in a process that consumes about 5% of the electricity produced in the U.S.  
  a.   indium  
  b.   aluminum  
  c.   thallium  
  d.   gallium  
  6.When an iron atom loses all its 4s electrons and one 3d electron, its oxidation number is ______.  
  a.   11+  
  b.   1+  
  c.   5+  
  d.   3+  
  7.The boiling point of methane, CH4, is ___________ than that of water.  
  a.   slightly higher  
  b.   much lower  
  c.   much higher  
  d.   slightly higher  
  8.Lanthanides and actinides are known as _________________.  
  a.   inner transition elements  
  b.   noble gases  
  c.   metalloids  
  d.   halogens  
  9.The two rows beneath the main body of the periodic table contain the _________________.  
  a.   noble gases  
  b.   inner transition elements  
  c.   alkali metals  
  d.   halogens  
  10.The _____________ of a material is a measure of the average kinetic energy of its particles.  
  a.   rigidity  
  b.   mass  
  c.   volume  
  d.   temperature  
  11.Mendeleev saw that properties of the elements repeated in an orderly way when he organized them according to ______________.  
  a.   increasing atomic size  
  b.   increasing volume  
  c.   decreasing atomic number  
  d.   increasing atomic mass  
  12.Energy sublevels are designated _____________.  
  a.   x, y, and z  
  b.   s, p, d, and f  
  c.   1, 2, 3, and 4  
  d.   a, b, c, and d  
  13.Mendeleev predicted the properties of these two elements, which were unknown at the time.  
  a.   silicon and aluminum  
  b.   boron and arsenic  
  c.   gallium and germanium  
  d.   carbon and silicon  
  14.___________ is the most common form of matter in the universe but the least common on Earth.  
  a.   Gas  
  b.   Solid  
  c.   Plasma  
  d.   Liquid  
  15.In boron-doped silicon, electrons are said to move into and out of ___________.  
  a.   inner energy levels  
  b.   nuclei  
  c.   holes  
  d.   diodes  
  16.A solid that has no regular structure is said to be ____________.  
  a.   hexagonal  
  b.   cubic  
  c.   crystalline  
  d.   amorphous  
  17.This transition element is commonly used as a coating on iron and steel to prevent corrosion.  
  a.   gold  
  b.   niobium  
  c.   zinc  
  d.   scandium  
  18.Among the elements fluorine, lithium, cesium, and astatine, which would you expect to have the smallest atomic radius?  
  a.   astatine  
  b.   cesium  
  c.   lithium  
  d.   fluorine  
  19.These two Group 15 elements are important components of many fertilizers.  
  a.   antimony and arsenic  
  b.   nitrogen and arsenic  
  c.   bismuth and phosphorus  
  d.   nitrogen and phosphorus  
  20.The arrangement of electron pairs around each of the two carbon atoms in the ethene molecule, C2H4, is best described as _________________.  
  a.   linear  
  b.   trigonal planar  
  c.   tetrahedral  
  d.   square planar  

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