Which is the electron configuration for boron?
a. 1s22s3b. 1s22s23s1c. 1s12s22p2d. 1s22s22p1?

In which phase(s) do the molecules take the shape of the container?

Achemistry student needs to standardize a fresh solution of sodium hydroxide. he carefully weighs out of oxalic acid , a diprotic acid that can be purchased inexpensively in high purity, and dissolves it in of distilled water. the student then titrates the oxalic acid solution with his sodium hydroxide solution. when the titration reaches the equivalence point, the student finds he has used of sodium hydroxide solution.calculate the molarity of the student's sodium hydroxide solution. be sure your answer has the correct number of significant digits.

Asubstance is a good conductor of electricity which of the following best explains a probable position of the substance in a periodic table