# Samuels CHEM Quantum Numbers Question Preview (ID: 31587)

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Chemistry Quantum Numbers.
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**How many quantum numbers are there?**

a) 4

b) 3

c) 2

d) 1

**The principle quantum number is symbolized by ______.**

a) n

b) l

c) m

d) +½ or -½

**The angular momentum quantum number is symbolized by ______.**

a) l

b) m

c) n

d) +½ or -½

**The magnetic quantum number is symbolized by ______.**

a) m

b) l

c) n

d) +½ or -½

**The spin quantum number is symbolized by ______.**

a) +½ or -½

b) m

c) l

d) n

**This states that each electron occupies the lowest energy orbital available first.**

a) Aufbau principle

b) Pauli exclusion principle

c) Hund’s rule

d) Heisenberg's principle

**This states that a maximum of two electrons may occupy a single orbital sublevel only if electrons have opposite spins.**

a) Pauli exclusion principle

b) Aufbau principle

c) Hund’s rule

d) Heisenberg's principle

**This states that single electrons with same spin must occupy each equal-energy orbital before additional electrons with opposite spins can occupy same orbital.**

a) Hund’s rule

b) Pauli exclusion principle

c) Aufbau principle

d) Heisenberg’s principle

**This indicates the main energy level occupied by the electron (1, 2, 3, 4…)**

a) principle quantum number

b) angular momentum quantum number

c) magnetic quantum number

d) spin quantum number

**This represents shape or type of orbital that corresponds to particular suborbital (s, p d, f)**

a) angular momentum quantum number

b) magnetic quantum number

c) principle quantum number

d) spin quantum number

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