6. What makes the orbitals of the quantum mechanical model different from the orbits in the planetary model?

a. Orbits can contain more than 3 electrons while orbitals can contain only one

b. Orbits have a fixed shape while orbitals are irregularly-shaped and can extend beyond the atom.

c. Orbits are the areas where you can most probably find electrons while orbitals are
the fixed paths of the electrons.

d. Orbits are fixed paths where the electrons move while orbitals are areas where
you can most probably find an electron.
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