The Kinetic Theory of Matter

Practice Test
  1.The elements in Groups 1, 2, and 13-17 are called the _____________.  
  a.   transition elements  
  b.   alkali metals  
  c.   noble gases  
  d.   main group elements  
  2.The shielding effect is the tendency of inner energy level electrons to block the attraction of the nucleus for ________________.  
  a.   valence electrons  
  b.   neutrons  
  c.   other atoms  
  d.   protons  
  3.For most substances, which physical state has the highest density?  
  a.   solid  
  b.   gas  
  c.   liquid  
  d.   water  
  4.In general, electronegativity ___________ atomic number within a period.  
  a.   decreases with  
  b.   is inversely proportional to  
  c.   remains constant with  
  d.   increases with  
  5.This transition element is used in many barometers and thermometers.  
  a.   iron  
  b.   copper  
  c.   titanium  
  d.   mercury  
  6.The third energy level may have ____________ sublevels.  
  a.   eight  
  b.   three  
  c.   two  
  d.   four  
  7.In boron-doped silicon, electrons are said to move into and out of ___________.  
  a.   diodes  
  b.   holes  
  c.   nuclei  
  d.   inner energy levels  
  8._______________ is a measure of the size of an atom.  
  a.   Atomic radius  
  b.   Number of electrons  
  c.   Nuclear charge  
  d.   Oxidation number  
  9.The number of valence electrons in a sulfur atom is __________.  
  a.   eight  
  b.   two  
  c.   six  
  d.   four  
  10.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  
  11.These two Group 15 elements are important components of many fertilizers.  
  a.   bismuth and phosphorus  
  b.   nitrogen and phosphorus  
  c.   antimony and arsenic  
  d.   nitrogen and arsenic  
  12. Because liquid molecules are much closer than gas molecules, liquids are much less ____________ than gases.  
  a.   compressible  
  b.   massive  
  c.   flexible  
  d.   lattice-like  
  13.___________ is the most common form of matter in the universe but the least common on Earth.  
  a.   Gas  
  b.   Liquid  
  c.   Plasma  
  d.   Solid  
  14.These two elements are liquids at room temperature and pressure.  
  a.   mercury and bromine  
  b.   mercury and oxygen  
  c.   lithium and cesium  
  d.   silver and nitrogen  
  15.Which elements would you expect to be the most reactive alkaline earth metal?  
  a.   lithium  
  b.   beryllium  
  c.   radium  
  d.   francium  
  16._____________ is the measure of an atom's ability to attract electrons in a bond.  
  a.   melting point  
  b.   Electronegativity  
  c.   Shielding  
  d.   Ionic radius  
  17.Which element is NOT suitable to dope silicon to produce an n-type semiconductor?  
  a.   arsenic  
  b.   phosphorus  
  c.   carbon  
  d.   antimony  
  18.Mendeleev predicted the properties of these two elements, which were unknown at the time.  
  a.   boron and arsenic  
  b.   carbon and silicon  
  c.   silicon and aluminum  
  d.   gallium and germanium  
  19.The boiling point of methane, CH4, is ___________ than that of water.  
  a.   slightly higher  
  b.   much higher  
  c.   much lower  
  d.   slightly higher  
  20.The motions of particles cause them to spread out in a process known as ____________.  
  a.   aeration  
  b.   evaporation  
  c.   condensation  
  d.   diffusion  

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