The Kinetic Theory of Matter

Practice Test
      
  1.These elements have some physical and chemical properties of metals and other properties of nonmetals.  
  a.   metalloids  
  b.   actinides  
  c.   transition elements  
  d.   lanthanides  
      
  2.The two rows beneath the main body of the periodic table contain the _________________.  
  a.   noble gases  
  b.   halogens  
  c.   alkali metals  
  d.   inner transition elements  
      
  3.Among the ions F-, Li+, Cs+, and At-, which would you expect to have the smallest ionic radius?  
  a.   At-  
  b.   F-  
  c.   Cs+  
  d.   Li+  
      
  4.Heavy elements such as seaborgium are created in _____________.  
  a.   test tubes  
  b.   particle accelerators  
  c.   erlenmeyer flasks  
  d.   earthquakes  
      
  5.Which pair of elements would you expect to have similar properties?  
  a.   Li and Fe  
  b.   F and Ne  
  c.   Mg and Ti  
  d.   Si and Ge  
      
  6.This scientist arranged some elements in triads based on their atomic masses and other properties.  
  a.   Einstein  
  b.   Newlands  
  c.   Mendeleev  
  d.   Dobereiner  
      
  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.This transition element is commonly used as a coating on iron and steel to prevent corrosion.  
  a.   scandium  
  b.   gold  
  c.   zinc  
  d.   niobium  
      
  9.Many transition elements have multiple positive oxidation states because their atoms can lose some of their _______________.  
  a.   s electrons  
  b.   p electrons  
  c.   d electrons  
  d.   nuclear protons  
      
  10.Which elements would you expect to be the most reactive alkaline earth metal?  
  a.   lithium  
  b.   beryllium  
  c.   radium  
  d.   francium  
      
  11.For most substances, which physical state has the highest density?  
  a.   liquid  
  b.   water  
  c.   gas  
  d.   solid  
      
  12.The constant, random motion of tiny chunks of matter is called _________________.  
  a.   parabolic trajectory  
  b.   kinetic motion  
  c.   Brownian motion  
  d.   linear motion  
      
  13.The arrangement of electron pairs around the nitrogen atom in the ammonia molecule, NH3, is best described as _______________.  
  a.   pyramidal  
  b.   square planar  
  c.   linear  
  d.   tetrahedral  
      
  14.The Heisenberg uncertainty principle states that it is fundamentally impossible to know both the ____________________ of the electron at the same time.  
  a.   mass and position  
  b.   mass and size  
  c.   energy and orientation  
  d.   position and energy  
      
  15.The elements in Groups 1, 2, and 13-17 are called the _____________.  
  a.   alkali metals  
  b.   transition elements  
  c.   noble gases  
  d.   main group elements  
      
  16.An arrow points in the direction of the _______________ of a polar covalent molecule.  
  a.   negative end  
  b.   positive end  
  c.   center  
  d.   bottom  
      
  17.The energy required to convert 1 kg of a liquid substance at its boiling point to 1 kg of gas, is called the substance's _________________.  
  a.   energy of condensation  
  b.   sublimation point  
  c.   heat of vaporization  
  d.   joule of heat  
      
  18.The pressure of a substance in equilibrium with its liquid is called its _________________.  
  a.   freezing point  
  b.   rate  
  c.   vapor pressure  
  d.   temperature  
      
  19.In general, _________ are malleable and ductile.  
  a.   noble gases  
  b.   metalloids  
  c.   nonmetals  
  d.   metals  
      
  20.What element has the electron configuration [Ar]4s23d3?  
  a.   arsenic  
  b.   vanadium  
  c.   nitrogen  
  d.   scandium  

 
   
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