Which statement best explains how periods on the periodic table are organized? A. decreasing number of electrons from left to right

B. decreasing atomic mass number from left to right

C. increasing number of neutrons from left to right

D. increasing atomic number from left to right

Predict the relative bond lengths of the three carbon-oxygen bonds in the carbonate ion (co2−3). what would you expect the charge to be on each oxygen? match the words in the left column to the appropriate blanks in the sentences on the right. make certain each sentence is complete before submitting your answer.