True or False: The isotope with the greatest abundance contributes to the atomic mass
reported on the periodic table more than
the isotope of lower abundance.

True

Explanation:

Greater abundance means there is more of those isotopes, so they contribute to the average number more. The average number is the atomic mass.

atomic number of carbon is 6

electronic configuration of carbon is 1s²2s²2p²

orbital diagram of c is as shown here in the image.

there is none because earth is stationary and flat.