Draw a Lewis structure for the C2H6 molecule using the connectivity shown in the spacefilling model in the
window.
• Gray = C; white =H; red=0; blue=N; dark
green= Cl; brown = Br; light green=F;
purple = 1; yellow =S; orange = P.
Use your drawing to answer the following questions.
The total number of electrons in C-H bonds
The number of C-C single bonds
The number of C C double bonds =
The total number of unshared pairs
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in chemistry, adhesion and cohesion are attractive forces that exist between molecules. they hold the molecules together from each other. they are different in that adhesive force exists between molecules of different substance while cohesive force happens between molecules of same substance.

adhesion between water and glass causes water molecules at the edge of water and glass interface to climb up the wall in a narrow glass tube. this is called capillary action. cohesion is what gives glass its shape and causes water to form a droplet.

geosphere and hydrosphere.

this is because the geosphere has to do with geological events, while the hydrosphere controls all water on earth.