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Draw a diagram to show the metallic bonding in both beryllium and radium

Can someone me with 6 to 10 plz this is for masteries test.

16. in a reaction that has reached equilibrium, a. the forward and reverse reactions are occurring at the same rate. b. the reactants and products are in equal concentrations. c. the forward reaction has gone further than the reverse reaction. d. there are equal numbers of atoms on both sides of the equation. e. a, b, and d are correct.

Which scientists contributed to the determination of how cfcs in clouds in the upper atmosphere could destroy ozone molecules