7. A chemistry teacher draws the Lewis structure of carbon dioxide, CO2, on the chalkboard. Which of these correctly describes the bonds between carbon and the two oxygens? A One is a single bond and one is a double bond. B В. Both are double bonds. c. One is a triple bond and one is a single bond. D. Both are single bonds. Free pointsss

If 10.0 ml of the solution on the right are withdrawn from the 100 ml beaker and diluted again in a similar manner, what is the new concentration? m nacl

The covalent compound acetylene, which is the fuel of the oxyacetylene torch used by welders, has the molecular formula c2h2. the covalent compound benzene, a commercial solvent, has the molecular formula c6h6 each of these covalent compounds contains carbon and hydrogen atoms in a one-to-one ratio. would it be correct to write the chemical formulas of each as ch? explain.

Which other elements contain the same number of outer electrons as sodium