The Encyclopedia Americana, Volume 7Grolier, 1988 - Encyclopedias and dictionaries |
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Page 194
... forces of attraction between particles , but it is used only when these forces act across a surface separating two dif- ferent masses . Thus the forces between molecules in a drop of water are cohesive , while the mutual attraction ...
... forces of attraction between particles , but it is used only when these forces act across a surface separating two dif- ferent masses . Thus the forces between molecules in a drop of water are cohesive , while the mutual attraction ...
Page 195
... forces are Van der Waals forces . In an ionic lattice , such as that of sodium chloride , the structural units are ions of opposite charge , and the forces of cohesion are electrostatic coulomb forces . In a covalent lattice , such as ...
... forces are Van der Waals forces . In an ionic lattice , such as that of sodium chloride , the structural units are ions of opposite charge , and the forces of cohesion are electrostatic coulomb forces . In a covalent lattice , such as ...
Page 614
... forces in uniform were volun- teers . The Navy , Marine Corps , and Air Force were usually manned entirely by volunteers , many having volunteered in order to avoid the draft . The procedure in the United States for decid- ing who was ...
... forces in uniform were volun- teers . The Navy , Marine Corps , and Air Force were usually manned entirely by volunteers , many having volunteered in order to avoid the draft . The procedure in the United States for decid- ing who was ...
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