Question

question 7 of 25
what did bohr contribute to the atomic theory?
a. bohr developed a model of the atom that predicts how it will behave.
b. bohr determined that the atoms mass comes from neutrons and protons.
c. bohr determined that atoms contain both positive and negative charges.
d. bohr discovered that the mass of the atom is located at its center.

Explanation:

Niels Bohr developed the Bohr model of the atom. This model proposed that electrons orbit the nucleus in fixed - energy levels and can jump between them, which helps predict atomic behavior. The other statements are contributions from other scientists or not related to Bohr's work.

Answer:

A. Bohr developed a model of the atom that predicts how it will behave.