Question 1

What is the electron configuration of chlorine?

Accepted Answer

A) 1s22s22p63s23p6 
B) 1s22s22p63s13p6 
C) 1s22s12p63s23p6 
D) 1s22s22p63s23p5

Question 2

The bending of light as it passes from air to another denser medium is referred to as  _____.

Accepted Answer

A) diffraction 
B) refraction 
C) retraction 
D) an illusion

Question 3

Quantum numbers arise from the functions that solve the wave equations for an atom.

Accepted Answer

A) True 
 B)False

Question 4

The particular pattern of wavelengths absorbed and emitted by any element is called its  _____.

Accepted Answer

The answer of The particular pattern of wavelengths absorbed and...

Question 5

Suppose the first two quantum numbers assigned to an atom are n = 4 and l = 3. What are the possible m  l quantum numbers ?

Accepted Answer

A) 0 only 
B) − 1, 0, +1 
C) − 2, − 1, 0, +1, +2 
D) − 3, − 2 , − 1, 0, +1, +2, +3

Question 6

An atom emits light at various wavelengths, two of which are 434 nm and 472 nm. Both of these transitions are to the same final state. What is the energy difference between the two states for each transition ?

Accepted Answer

A) 1.2 × 10  − 19 J 
B) 3.4 × 10  − 19 J 
C) 3.7 × 10  − 20 J 
D) 4.2 × 10  − 20 J

Question 7

Infrared light has higher wavelengths than gamma rays.

Accepted Answer

A) True 
 B)False

Question 8

The _____ of a wave is the number of wave cycles per unit time.

Accepted Answer

The answer of The _____ of a wave is the...

Question 9

Which of the following elements has the lowest ionization energy ?

Accepted Answer

A) Na 
B) Mg 
C) O 
D) F

Question 10

What is the correct electron configuration of a calcium cation?

Accepted Answer

A) 1s22s22p63s23p64s1 
B) 1s22s22p63s13p64s2 
C) 1s22s22p63s23p6 
D) 1s22s22p63s23p63d10

Exam 6: The Periodic Table and Atomic Structure