When scientists look at these examples, what do they know about the atoms? carbon-12 carbon-14
the number of neutrons in each atom is not the same
the atoms have different properties
one atom has more protons than the other
onl one of the examples is an isotope

Describe the forces both attractive and repulsive that occur as two atoms move closer together.

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.

An unsaturated hydrocarbon is a hydrogen-carbon compound with a. a network solid structure b. single bonds c. single bonds in a branched-chain structure d. double or triple bonds