Question 1

What is the ground-state electron configuration of calcium?

Accepted Answer

A)  1s22s22p63s23p64s2 
B)  1s22s22p6 
C)  1s22s22p63s2 
A)  1s22s22p63s23p64s2 
B)  1s22s22p6 
C)  1s22s22p63s2

Question 2

Elements in group 17 are considered _____________.

Accepted Answer

A)  alkali Metals 
B)  halogens 
C)  noble Gases 
A)  alkali Metals 
B)  halogens 
C)  noble Gases

Question 3

UV-Visible spectroscopy can be used to study chromophores such as C=C-C=C which absorb in the UV region of the electromagnetic spectrum ranging from _____.

Accepted Answer

A)  100 - 300 nm 
B)  400 - 600 nm 
C)  600 - 800 nm 
A)  100 - 300 nm 
B)  400 - 600 nm 
C)  600 - 800 nm

Question 4

Based on the following electron configuration, [Xe]6s2, this element would most likely _____.  Paired item 1)

Accepted Answer

A)  loss 2 electrons to form a +2 cation and could form an ionic bond with a metal 
B)  loss 2 electrons to form a +2 cation and could form an ionic bond with a non-metal 
C)  gain 2 electrons to form a +2 cation and could form an ionic bond with a non-metal 
A)  loss 2 electrons to form a +2 cation and could form an ionic bond with a metal 
B)  loss 2 electrons to form a +2 cation and could form an ionic bond with a non-metal 
C)  gain 2 electrons to form a +2 cation and could form an ionic bond with a non-metal

Question 5

Identify the transition metal ion and the number of electrons with the following electron configuration, [Ar]4s03d7.

Accepted Answer

A)  cobalt I) ion and 25 electrons 
B)  cobalt II) ion and 25 electrons 
C)  cobalt III) ion and 25 electrons 
A)  cobalt I) ion and 25 electrons 
B)  cobalt II) ion and 25 electrons 
C)  cobalt III) ion and 25 electrons

Question 6

Which nonradioactive group I metal would be the most reactive in water and why?

Accepted Answer

A)  Cesium would be the most reactive group I metal in water because it has only one valence electron. 
B)  Cesium would be the most reactive group I metal in water because it's one valence electron is the closest to the nucleus compared to the other metals. 
C)  Cesium would be the most reactive group I metal in water because it's one valence electron is the farthest from the nucleus compared to the other metals. 
A)  Cesium would be the most reactive group I metal in water because it has only one valence electron. 
B)  Cesium would be the most reactive group I metal in water because it's one valence electron is the closest to the nucleus compared to the other metals. 
C)  Cesium would be the most reactive group I metal in water because it's one valence electron is the farthest from the nucleus compared to the other metals.

Question 7

During a UV-Visible spectroscopy experiment, a student notes 2 wavelength peak measurements at 580nm and 685nm. What region of the electromagnetic spectrum were these peaks observed?  Paired item 1)

Accepted Answer

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

Question 8

How many subshells are found in the 2nd energy level or shell?

Accepted Answer

A)  2 
B)  4 
C)  8 
A)  2 
B)  4 
C)  8

Question 9

What is the ground-state electron configuration of Calcium?

Accepted Answer

A)  1s22s22p63s23p64s2 
B)  1s22s22p6 
C)  1s22s22p63s2 
A)  1s22s22p63s23p64s2 
B)  1s22s22p6 
C)  1s22s22p63s2

Question 10

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

Accepted Answer

A)  calcium 
B)  aluminum 
C)  potassium 
A)  calcium 
B)  aluminum 
C)  potassium

Question 11

What is the ground-state electron configuration of carbon?

Accepted Answer

A)  1s22s12p3 
B)  1s22s22p2 
C)  1s22s32p1 
A)  1s22s12p3 
B)  1s22s22p2 
C)  1s22s32p1

Question 12

How many electrons are in the most likely ion formed from an atom located in group 2A and period 5?  Paired item 1)

Accepted Answer

A)  36 electrons 
B)  38 electrons 
C)  37 electrons 
A)  36 electrons 
B)  38 electrons 
C)  37 electrons

Question 13

Which of the following sets of elements are the most similar to each other?

Accepted Answer

A)  F, Cl, Br, I 
B)  C, N, O, F 
C)  H, He 
A)  F, Cl, Br, I 
B)  C, N, O, F 
C)  H, He

Question 14

Which of the following elements have a tendency to gain electrons?

Accepted Answer

A)  Cl, O, F 
B)  N, O, Al 
C)  Cl, F, Ga 
A)  Cl, O, F 
B)  N, O, Al 
C)  Cl, F, Ga

Question 15

Which of the following has the longest wavelength?

Accepted Answer

A)  rays 
B)  microwaves 
C)  UV light 
A)  rays 
B)  microwaves 
C)  UV light

Question 16

According to periodic trends, arrange the following ions, potassium, magnesium, and aluminum in order of increasing ionic size.

Accepted Answer

A)  potassium ion, magnesium ion, and aluminum ion 
B)  aluminum ion, magnesium ion, and potassium ion 
C)  aluminum ion, potassium ion, and magnesium ion 
A)  potassium ion, magnesium ion, and aluminum ion 
B)  aluminum ion, magnesium ion, and potassium ion 
C)  aluminum ion, potassium ion, and magnesium ion

What is the ground-state electron configuration of calcium?

Elements in group 17 are considered _____________.

UV-Visible spectroscopy can be used to study chromophores such as C=C-C=C which absorb in the UV region of the electromagnetic spectrum ranging from _____.

Based on the following electron configuration, [Xe]6s², this element would most likely _____. Paired item 1)

Identify the transition metal ion and the number of electrons with the following electron configuration, [Ar]4s⁰3d⁷.

Which nonradioactive group I metal would be the most reactive in water and why?

During a UV-Visible spectroscopy experiment, a student notes 2 wavelength peak measurements at 580nm and 685nm. What region of the electromagnetic spectrum were these peaks observed? Paired item 1)

How many subshells are found in the 2^nd energy level or shell?

What is the ground-state electron configuration of Calcium?

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

What is the ground-state electron configuration of carbon?

How many electrons are in the most likely ion formed from an atom located in group 2A and period 5? Paired item 1)

Which of the following sets of elements are the most similar to each other?

Which of the following elements have a tendency to gain electrons?

Which of the following has the longest wavelength?

According to periodic trends, arrange the following ions, potassium, magnesium, and aluminum in order of increasing ionic size.

Essential Ideas

Atoms, Molecules, and Ions

Composition of Substances and Solutions

Stoichiometry of Chemical Reactions

Thermochemistry

Chemical Bonding and Molecular Geometry

Advanced Theories of Covalent Bonding

Gases

Liquids and Solids

Solutions and Colloids

Kinetics

Fundamental Equilibrium Concepts

Acid-Base Equilibria

Thermodynamics

Electrochemistry

Representative Metals, Metalloids, and Nonmetals

Organic Chemistry

Nuclear Chemistry

Filters

Exam 6: Electronic Structure and Periodic Properties of Elements

What is the ground-state electron configuration of calcium?

Elements in group 17 are considered _____________.

UV-Visible spectroscopy can be used to study chromophores such as C=C-C=C which absorb in the UV region of the electromagnetic spectrum ranging from _____.

Based on the following electron configuration, [Xe]6s2, this element would most likely _____. Paired item 1)

Identify the transition metal ion and the number of electrons with the following electron configuration, [Ar]4s03d7.

Which nonradioactive group I metal would be the most reactive in water and why?

During a UV-Visible spectroscopy experiment, a student notes 2 wavelength peak measurements at 580nm and 685nm. What region of the electromagnetic spectrum were these peaks observed? Paired item 1)

How many subshells are found in the 2nd energy level or shell?

What is the ground-state electron configuration of Calcium?

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

What is the ground-state electron configuration of carbon?

How many electrons are in the most likely ion formed from an atom located in group 2A and period 5? Paired item 1)

Which of the following sets of elements are the most similar to each other?

Which of the following elements have a tendency to gain electrons?

Which of the following has the longest wavelength?

According to periodic trends, arrange the following ions, potassium, magnesium, and aluminum in order of increasing ionic size.

Essential Ideas

Atoms, Molecules, and Ions

Composition of Substances and Solutions

Stoichiometry of Chemical Reactions

Thermochemistry

Chemical Bonding and Molecular Geometry

Advanced Theories of Covalent Bonding

Gases

Liquids and Solids

Solutions and Colloids

Kinetics

Fundamental Equilibrium Concepts

Acid-Base Equilibria

Thermodynamics

Electrochemistry

Representative Metals, Metalloids, and Nonmetals

Organic Chemistry

Nuclear Chemistry

Filters

Based on the following electron configuration, [Xe]6s², this element would most likely _____. Paired item 1)

Identify the transition metal ion and the number of electrons with the following electron configuration, [Ar]4s⁰3d⁷.

How many subshells are found in the 2^nd energy level or shell?