Elements in the same group have

a. the same number of electron shells
b. the same number of protons
c. similar chemical properties
d. the same number of isotopes

Which best describes how johannes kepler developed his laws of planetary motion

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.

List and describe the neurological effects of the vocs and other air pollutants, as described by dr. theo colborn