Question

1. the bohr model described electrons as orbiting the nucleus in fixed paths called
2. the quantum mechanical model describes the electrons probable location within a region of space called an
3. an electrons state in the quantum mechanical model is defined by its four
4. the arrangement of electrons in an atoms orbitals is known as its
5. the principle that states electrons fill the lowest energy orbitals first is the

principle.

1. hunds rule states that electrons will fill orbitals of the same energy level

____ before pairing up.

1. the pauli exclusion principle states that no two electrons in an atom can have the same four
2. the outermost electrons involved in bonding are called

____ electrons.

1. a lewis structure uses dots to represent an atoms

____ electrons.

1. the tendency of atoms to gain, lose, or share electrons to achieve eight valence electrons is known as the

____ rule.

Explanation:

1. Orbits in Bohr model. 2. Orbital in quantum - mechanical model. 3. Quantum numbers define state. 4. Electron - configuration. 5. Aufbau principle. 6. Singly. 7. Quantum numbers. 8. Valence. 9. Valence. 10. Octet.

Answer:

1. Orbits
2. Orbital
3. Quantum numbers
4. Electron - configuration
5. Aufbau
6. Singly
7. Quantum numbers
8. Valence
9. Valence
10. Octet