Diamond is made of carbon atoms attached rigidly to each other in three directions making diamond very strong. graphite, as found in a pencil, is easily broken under pressure. since graphite is also made of carbon atoms, why might it have such a different property?

Write a net ionic equation to show that hydrofluoric acid, behaves as an acid in water.

The reaction q+r2=r2q is found to be first order in r2 and

Why is the bond angle in a water molecule less than the bond angle of methane? a. the central oxygen atom in water has two lone pairs of electrons, whereas the central carbon atom in methane has no lone pairs. b. the central hydrogen atom in water has one lone pair of electrons, whereas the central carbon atom in methane has two lone pairs. c. the central oxygen atom in water has four lone pairs of electrons, whereas the central carbon atom in methane has only one lone pair. d. the central oxygen atom exerts more repulsive force on surrounding atoms than the central carbon atom in methane does. reset next