Question 1

Provide the element name with a ground-state electron configuration of 1s22s2p4

Accepted Answer

A)   potassium
B)   carbon
C)   oxygen C

Question 2

During a UV-Visible spectroscopy experiment, a student notes a wavelength peak measurement at 280 nm. What region of the electromagnetic spectrum was this peak observed?

Accepted Answer

A)   visible region
B)   ultra-violet region
C)   both ultra-violet and visible region B

Question 3

How many electrons are in the most likely ion formed from an atom located in group 6A and period 3?

Accepted Answer

A)   16 electrons
B)   17 electrons
C)   18 electrons C

Question 4

According to periodic trends, which metal has the lowest ionization energy?

Accepted Answer

A)   Li
B)   Cs
C)   Rb

Question 5

In which orbital does an electron add to in chlorine to form an octet?

Accepted Answer

A)   3s
B)   3p
C)   3d

Question 6

Due to periodicity, which element would you expect to behave most like sodium?

Accepted Answer

A)   calcium
B)   aluminum
C)   potassium

Question 7

Based on the following electron configuration, [Kr]5s24d105p5, this element would most likely _____.

Accepted Answer

A)   gain an electron to form a -1 anion and could form an ionic bond with a metal
B)   loss an electron to form a -1 anion and could form an ionic bond with a metal
C)   gain an electron to form a -1 anion and could form an ionic bond with a non-metal

Question 8

In what block, group, and period on the periodic table can the atom with a 1s22s22p63s1 ground-state electron configuration be found?  Paired item 1)

Accepted Answer

A)   s-block, group 1A, and period 2
B)   s-block, group 1A, and period 3
C)   s-block, group 1A, and period 4

Question 9

According to periodic trends, which metal has the highest ionization energy?  Paired item 1)

Accepted Answer

A)   Li
B)   Cs
C)   Rb

Question 10

As you move down a group of elements family), the number of valence electrons

Accepted Answer

A)   increases.
B)   stays the same.
C)   increases and then decreases.

Question 11

What is the ms value for an electron added to bromine to form an octet?

Accepted Answer

A)   +1/2
B)   -1/2
C)   0

Question 12

What is the maximum number of electrons that can occupy the 4th energy level or shell?

Accepted Answer

A)   4
B)   16
C)   32

Question 13

Provide the element name with a ground-state electron configuration of 1s22s2p4

Accepted Answer

A)   Potassium
B)   carbon
C)   oxygen

Question 14

What is the electron configuration of a copper atom?

Accepted Answer

A)   [Ar]4s23d9
B)   [Ar]4s13d10
C)   [Ar]4s03d11

Question 15

Which of the following sources of radiation is higher in energy?

Accepted Answer

A)   visible light
B)   ultra violet light
C)   infrared light

Question 16

Due to periodicity, which of the following elements has chemical behavior similar to that of Oxygen?

Accepted Answer

A)   bromine
B)   sulfur
C)   carbon

Question 17

Which of the following has the longest wavelength?

Accepted Answer

A)   rays
B)   microwaves
C)   UV light

Question 18

What is the electron configuration of a copper II) ion?

Accepted Answer

A)   [Ar]4s23d7
B)   [Ar]4s13d8
C)   [Ar]3d9

Question 19

What is the maximum number of orbitals found in the 3rd energy level or shell?

Accepted Answer

A)   3
B)   9
C)   18

Question 20

In what block, group, and period on the periodic table can the atom with a 1s22s22p63s23p64s23d104p5 ground-state electron configuration be found?

Accepted Answer

A)   p-block, group 7A, and period 3
B)   p-block, group 7A, and period 4
C)   p-block, group 7A, and period 5

Exam 6: Electronic Structure and Periodic Properties of Elements

Provide the element name with a ground-state electron configuration of 1s²2s2p⁴

During a UV-Visible spectroscopy experiment, a student notes a wavelength peak measurement at 280 nm. What region of the electromagnetic spectrum was this peak observed?

How many electrons are in the most likely ion formed from an atom located in group 6A and period 3?

According to periodic trends, which metal has the lowest ionization energy?

In which orbital does an electron add to in chlorine to form an octet?

Due to periodicity, which element would you expect to behave most like sodium?

Based on the following electron configuration, [Kr]5s²4d¹⁰5p⁵, this element would most likely _____.

In what block, group, and period on the periodic table can the atom with a 1s²2s²2p⁶3s¹ ground-state electron configuration be found? Paired item 1)

According to periodic trends, which metal has the highest ionization energy? Paired item 1)

As you move down a group of elements family) , the number of valence electrons

What is the m_s value for an electron added to bromine to form an octet?

What is the maximum number of electrons that can occupy the 4^th energy level or shell?