What was different about the atomic theory proposed by niels bohr? A positively charged nucleus in the center of the atom electrons energy levels related to their orbits The addition of electrons to orbit the nucleus The atoms mass was limited to the center of the atom

The correct answer would be B, electrons energy levels related to their orbits.

Explanation:

I hope this helps you!

b..

is the correct one

explanation:

covalent bonds form as valence electrons are shared between two atoms. lewis structures and structural formulas are common ways of showing the covalent bonding in organic molecules. formal charge describes the changes in the number of valence electrons as an atom becomes bonded into a molecule.