24.In order to go to a lower energy orbit, an electron a. Must disappear
b. Must combine with other electrons
c. Lose energy of a specific amount
d. Must be transferred to another atom

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.

How is the atomic number of a nucleus changed by alpha decay

Which substance is a steroid? cholesterol fatty acid monosaccharide trans fat