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PCAT Chemical Processes – Electrons

In the Bohr model of the atom, electrons jump to a higher energy orbital when:

A) sufficient energy is absorbed

B) their spin coefficient increases sufficiently

C) they move to a smaller radius orbital

D) photons are given off

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The Bohr model of the atom suggested that electrons existed in orbitals of finite energy levels. Electrons may jump to a higher orbital if sufficient energy in the form of photons is absorbed, and finite energy is given off in the form of photons if an electron in a higher energy orbital returns to a lower level orbital.

A) sufficient energy is absorbed, correct

B) their spin coefficient increases sufficiently, incorrect, there is no spin coefficient

C) they move to a smaller radius orbital, incorrect, electrons gaining energy move to larger radius orbitals

D) photons are given off, incorrect, photons are given off when electrons move to lower energy orbitals

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