The half-life of radium-226 is 1,600 years. It decays into radon-222. What fraction of the original amount of radium-266 in a sample will still be raisin after 8,000 years? (Marking brainliest if correct, lots of points!) A. 1/8
B. 1/32
C. 1/4
D. 1/16

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.