The first transcontinental railroad in the United States connected . A. Omaha and Sacramento

B. the Great Lakes and New Orleans

C. New York and Chicago

D. Chicago and Los Angeles

A

Explanation:

If you look this up you can find a map containing where it was built to

because the two particles have an equal charge, the charges will cancel out and give the atom an overall charge of 0. so, if at atom has 35 protons in the nucleus, we could expect it to have 35 electrons orbiting that nucleus.