Using the periodic table and your knowledge of atomic structure. cobalt (co) and nickel (ni) have almost identical atomic mass numbers. comparing nickel and cobalt from the periodic table, which statement best describes the atoms? nickel has one more neutron. cobalt has one less proton. both atoms will have the same number of neutrons. both atoms will have the same number of protons.

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.

Select the correct lewis structure for fluorine which is group 7a element?

How does the digestive system interact with the circulatory system? a. messages sent as electrical impulses from the digestive system are transported throughout the body by the circulatory system. b. nutrients taken in and broken down by the digestive system are carried to various parts of the body by the circulatory system. c. nutrients and gases are absorbed by organs in the circulatory system. then, they are transported to all parts of the body by organs in the digestive system. d. oxygen and carbon dioxide are exchanged by organs in the digestive system, and the gases are carried to the rest of the body by the circulatory system.