The Kinetic Theory of Matter

Practice Test
  1.The statement that the physical and chemical properties of the elements repeat in a regular pattern when they are arranged in order of increasing atomic number is known as the ______________.  
  a.   Mendeleev theory  
  b.   Dobereiner's hypothesis  
  c.   Group theory  
  d.   periodic law  
  2.Many transition elements have multiple positive oxidation states because their atoms can lose some of their _______________.  
  a.   p electrons  
  b.   nuclear protons  
  c.   s electrons  
  d.   d electrons  
  3.This halogen is absorbed readily by the thyroid gland.  
  a.   chlorine  
  b.   bromine  
  c.   fluorine  
  d.   iodine  
  4.The two rows beneath the main body of the periodic table contain the _________________.  
  a.   alkali metals  
  b.   halogens  
  c.   inner transition elements  
  d.   noble gases  
  5.According to the kinetic-molecular theory, which of these describes a gas?  
  a.   small particles far apart in uniform motion  
  b.   large particles in constant, random motion  
  c.   small particles in constant, random motion  
  d.   large particles far apart in uniform motion  
  6.The motions of particles cause them to spread out in a process known as ____________.  
  a.   condensation  
  b.   evaporation  
  c.   diffusion  
  d.   aeration  
  7.Why was Mendeleev's periodic table widely accepted?  
  a.   He was the first to notice a pattern of similar properties among elements.  
  b.   His periodic table listed all of the elements in the correct order.  
  c.   He predicted the existence and properties of undiscovered elements.  
  d.   He organized the first 14 known elements.  
  8.Chemical bonding results in ________________.  
  a.   longer bond lengths  
  b.   increased stability  
  c.   lower density  
  d.   decreased stability  

The center of positive charge in the H2O molecule lies ______________________.
  a.   between the two hydrogen atoms  
  b.   on one of the hydrogen atoms  
  c.   in the geometric center of the molecule  
  d.   on the oxygen atom  
  10.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  
  11. This useful transition element is the major component in steel.  
  a.   tungsten  
  b.   chromium  
  c.   nickel  
  d.   iron  
  12.The light emitted by the gas in a neon sign is _________________.  
  a.   a filament  
  b.   an emission spectrum  
  c.   an incandescent light  
  d.   an electron  
  13.A _________ is a flowing, compressible state of matter that has no definitie shape or volume.  
  a.   plasmoid  
  b.   liquid  
  c.   gas  
  d.   solid  
  14.The most stable arrangement of electrons in an atom's sublevels and orbitals is called its ________________.  
  a.   electron configuration  
  b.   electronic arrangement  
  c.   shape  
  d.   electron orientation  
  15.The CO molecule is _____________________.  
  a.   tetrahedral and nonpolar  
  b.   linear and polar  
  c.   linear and nonpolar  
  d.   trigonal planar and polar  
  16.At the same temperature, ethanol has _____________ vapor pressure than water.  
  a.   about the same  
  b.   a somewhat lower  
  c.   a much higher  
  d.   a much lower  
  17.The fourth energy level can hold _______ more electrons than the third energy level.  
  a.   2  
  b.   6  
  c.   10  
  d.   14  
  18.What characteristic do atoms in the same group of elements share?  
  a.   They have similar physical properties.  
  b.   They have the same atomic mass.  
  c.   The have the same number of electron orbitals.  
  d.   They have the same number of valence electrons.  
  19.Atoms that share electrons form __________ bonds.  
  a.   covalent  
  b.   quartets  
  c.   quantitative  
  d.   ionic  
  20.In general, a metal atom's valence electrons are _____________ the atomic nucleus.  
  a.   very near  
  b.   loosely bound to  
  c.   within  
  d.   tightly bound to  

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