Question 1

Which of the following statements regarding spectra is incorrect?

Accepted Answer

A) Sunlight produces a continuous spectrum. 
B) A heated ionic compound produces a line spectrum. 
C) Several elements can produce the same line spectrum. 
D) If you know the wavelength of a line in a spectrum, the energy of the light associated with that line can be calculated. 
E) If you know the wavelength of a line in a spectrum, the frequency of the light associated with that line can be calculated. 
A) Sunlight produces a continuous spectrum. 
B) A heated ionic compound produces a line spectrum. 
C) Several elements can produce the same line spectrum. 
D) If you know the wavelength of a line in a spectrum, the energy of the light associated with that line can be calculated. 
E) If you know the wavelength of a line in a spectrum, the frequency of the light associated with that line can be calculated.

Question 2

Upon electrification, hydrogen produces a line spectrum with the following lines in the visible region of the electromagnetic spectrum. If the light emitted corresponds to transitions from the third (n = 3), fourth (n = 4), fifth (n = 5), or sixth (n = 6)energy level down to the second (n = 2), which transition corresponds to the emission of light with highest energy?

Accepted Answer

A) n = 2 → n = 3 
B) n = 2 → n = 6 
C) n = 3 → n = 2 
D) n = 4 → n = 2 
E) n = 6 → n = 3 
A) n = 2 → n = 3 
B) n = 2 → n = 6 
C) n = 3 → n = 2 
D) n = 4 → n = 2 
E) n = 6 → n = 3

Question 3

Which of the following statements regarding orbitals is correct?

Accepted Answer

A) There is no difference between the orbitals of the modern model of the atom and the orbits of the Bohr model of the atom. 
B) A 1s orbital can be represented as a two-dimensional circle centered around the nucleus of an atom. 
C) A 2p orbital is smaller than a 3p orbital. 
D) The p orbitals always come in sets of four. 
E) The d orbitals always have three lobes. 
A) There is no difference between the orbitals of the modern model of the atom and the orbits of the Bohr model of the atom. 
B) A 1s orbital can be represented as a two-dimensional circle centered around the nucleus of an atom. 
C) A 2p orbital is smaller than a 3p orbital. 
D) The p orbitals always come in sets of four. 
E) The d orbitals always have three lobes.

Question 4

Some elements have electron configurations that deviate from normal electron filling rules. Which element has the ground-state electron configuration [Ar]4s13d10?

Accepted Answer

A) Ni 
B) Ag 
C) Cd 
D) Sn 
E) Cu 
A) Ni 
B) Ag 
C) Cd 
D) Sn 
E) Cu

Question 5

When the elements lithium and fluorine react, they become ions and form the ionic compound LiF: 2Li(s)+ F2(g)→ 2LiF(s)Which of the following atoms decreases in radius as reactants turn to products?

Accepted Answer

A) lithium 
B) fluorine 
C) Both lithium and fluorine decrease in size 
D) Neither lithium nor fluorine decrease in size 
A) lithium 
B) fluorine 
C) Both lithium and fluorine decrease in size 
D) Neither lithium nor fluorine decrease in size

Question 6

Write the element symbol for the element with the abbreviated electron configuration [Ne]3s23p2.

Accepted Answer

The given abbreviated electron configura

Question 7

The following orbital diagram corresponds to the element ________.

Accepted Answer

A) Al 
B) Si 
C) P 
D) S 
E) Cl 
A) Al 
B) Si 
C) P 
D) S 
E) Cl

Question 8

Write the element symbol for the element with the abbreviated electron configuration [Ar]4s23d8.

Accepted Answer

The given abbreviated electron configura

Question 9

The color of visible light with the lowest energy is red.

Accepted Answer

A) True 
 B)False

Question 10

The following orbital diagram corresponds to the element ________.

Accepted Answer

A) Br 
B) Cl 
C) P 
D) S 
E) Si 
A) Br 
B) Cl 
C) P 
D) S 
E) Si

Question 11

Atoms of the alkaline earth elements have one valence electron.

Accepted Answer

A) True 
 B)False

Question 12

Your friend wrote the electron configuration of selenium as 1s22s22p63s23p64s24d104p2. Describe how you would correct your friend's electron configuration.

Accepted Answer

The electron configuration your friend w

Question 13

Explain in terms of atomic structure why more energy is required to remove one electron from a fluorine atom than from a chlorine atom.

Accepted Answer

The energy required to remove an electro

Question 14

What is the ground-state electron configuration for the calcium ion, Ca2+?

Accepted Answer

A) 1s22s22p63s23p6 
B) 1s22s22p63s23p63d2 
C) 1s22s22p63s23p64s2 
D) 1s22s22p63s23p64s23d2 
E) 1s22s22p63s23p63d4 
A) 1s22s22p63s23p6 
B) 1s22s22p63s23p63d2 
C) 1s22s22p63s23p64s2 
D) 1s22s22p63s23p64s23d2 
E) 1s22s22p63s23p63d4

Question 15

Rank the following types of electromagnetic radiation from lowest frequency to highest frequency: visible, ultraviolet, microwave, infrared, x-ray.

Accepted Answer

A) x-ray < visible < ultraviolet < infrared < microwave 
B) x-ray < ultraviolet < visible < microwave < infrared 
C) x-ray < ultraviolet < visible < infrared < microwave 
D) infrared < microwave < ultraviolet < visible < x-ray 
E) microwave < infrared < visible < ultraviolet < x-ray 
A) x-ray < visible < ultraviolet < infrared < microwave 
B) x-ray < ultraviolet < visible < microwave < infrared 
C) x-ray < ultraviolet < visible < infrared < microwave 
D) infrared < microwave < ultraviolet < visible < x-ray 
E) microwave < infrared < visible < ultraviolet < x-ray

Question 16

When completing the orbital diagram for the element phosphorus, which of the following statements is correct?

Accepted Answer

A) There are five electrons in the n = 3 energy level. 
B) The 2p sublevel is not full. 
C) There are electrons in the 3d sublevel. 
D) There are no electrons in the 3s sublevel. 
E) There is one unpaired electron in the 3p sublevel. 
A) There are five electrons in the n = 3 energy level. 
B) The 2p sublevel is not full. 
C) There are electrons in the 3d sublevel. 
D) There are no electrons in the 3s sublevel. 
E) There is one unpaired electron in the 3p sublevel.

Question 17

Write the element symbol for the element with the abbreviated electron configuration [Ne]3s23p4.

Accepted Answer

The given abbreviated electron configura

Question 18

The color of visible light with the longest wavelength is violet.

Accepted Answer

A) True 
 B)False

Question 19

Write the element symbol for the element with the abbreviated electron configuration [Ar]4s23d6.

Accepted Answer

The given abbreviated electron configura

Question 20

There are three orbitals in the 2p sublevel.

Accepted Answer

A) True 
 B)False

Which of the following statements regarding spectra is incorrect?

Which of the following statements regarding orbitals is correct?

Some elements have electron configurations that deviate from normal electron filling rules. Which element has the ground-state electron configuration [Ar]4s¹3d¹⁰?

When the elements lithium and fluorine react, they become ions and form the ionic compound LiF: 2Li(s)+ F₂(g)→ 2LiF(s)Which of the following atoms decreases in radius as reactants turn to products?

Write the element symbol for the element with the abbreviated electron configuration [Ne]3s²3p².

The following orbital diagram corresponds to the element ________.

Write the element symbol for the element with the abbreviated electron configuration [Ar]4s²3d⁸.

The color of visible light with the lowest energy is red.

The following orbital diagram corresponds to the element ________.

Atoms of the alkaline earth elements have one valence electron.

Your friend wrote the electron configuration of selenium as 1s²2s²2p⁶3s²3p⁶4s²4d¹⁰4p². Describe how you would correct your friend's electron configuration.

Explain in terms of atomic structure why more energy is required to remove one electron from a fluorine atom than from a chlorine atom.

What is the ground-state electron configuration for the calcium ion, Ca²⁺?

Rank the following types of electromagnetic radiation from lowest frequency to highest frequency: visible, ultraviolet, microwave, infrared, x-ray.

When completing the orbital diagram for the element phosphorus, which of the following statements is correct?

Write the element symbol for the element with the abbreviated electron configuration [Ne]3s²3p⁴.

The color of visible light with the longest wavelength is violet.

Write the element symbol for the element with the abbreviated electron configuration [Ar]4s²3d⁶.

There are three orbitals in the 2p sublevel.

Matter and Energy

Atoms, Ions, and the Periodic Table

Chemical Compounds

Chemical Composition

Chemical Reactions and Equations

Quantities in Chemical Reactions

Chemical Bonding

The Gaseous State

The Liquid and Solid States

Solutions

Reaction Rates and Chemical Equilibrium

Acids and Bases

Oxidation-Reduction Reactions

Nuclear Chemistry

Organic Chemistry

Biochemistry

Filters

Exam 7: Electron Structure of the Atom

Which of the following statements regarding spectra is incorrect?

Which of the following statements regarding orbitals is correct?

Some elements have electron configurations that deviate from normal electron filling rules. Which element has the ground-state electron configuration [Ar]4s13d10?

When the elements lithium and fluorine react, they become ions and form the ionic compound LiF: 2Li(s)+ F2(g)→ 2LiF(s)Which of the following atoms decreases in radius as reactants turn to products?

Write the element symbol for the element with the abbreviated electron configuration [Ne]3s23p2.

The following orbital diagram corresponds to the element ________.

Write the element symbol for the element with the abbreviated electron configuration [Ar]4s23d8.

The color of visible light with the lowest energy is red.

The following orbital diagram corresponds to the element ________.

Atoms of the alkaline earth elements have one valence electron.

Your friend wrote the electron configuration of selenium as 1s22s22p63s23p64s24d104p2. Describe how you would correct your friend's electron configuration.

Explain in terms of atomic structure why more energy is required to remove one electron from a fluorine atom than from a chlorine atom.

What is the ground-state electron configuration for the calcium ion, Ca2+?

Rank the following types of electromagnetic radiation from lowest frequency to highest frequency: visible, ultraviolet, microwave, infrared, x-ray.

When completing the orbital diagram for the element phosphorus, which of the following statements is correct?

Write the element symbol for the element with the abbreviated electron configuration [Ne]3s23p4.

The color of visible light with the longest wavelength is violet.

Write the element symbol for the element with the abbreviated electron configuration [Ar]4s23d6.

There are three orbitals in the 2p sublevel.

Matter and Energy

Atoms, Ions, and the Periodic Table

Chemical Compounds

Chemical Composition

Chemical Reactions and Equations

Quantities in Chemical Reactions

Chemical Bonding

The Gaseous State

The Liquid and Solid States

Solutions

Reaction Rates and Chemical Equilibrium

Acids and Bases

Oxidation-Reduction Reactions

Nuclear Chemistry

Organic Chemistry

Biochemistry

Filters

Some elements have electron configurations that deviate from normal electron filling rules. Which element has the ground-state electron configuration [Ar]4s¹3d¹⁰?

When the elements lithium and fluorine react, they become ions and form the ionic compound LiF: 2Li(s)+ F₂(g)→ 2LiF(s)Which of the following atoms decreases in radius as reactants turn to products?

Write the element symbol for the element with the abbreviated electron configuration [Ne]3s²3p².

Write the element symbol for the element with the abbreviated electron configuration [Ar]4s²3d⁸.

Your friend wrote the electron configuration of selenium as 1s²2s²2p⁶3s²3p⁶4s²4d¹⁰4p². Describe how you would correct your friend's electron configuration.

What is the ground-state electron configuration for the calcium ion, Ca²⁺?

Write the element symbol for the element with the abbreviated electron configuration [Ne]3s²3p⁴.

Write the element symbol for the element with the abbreviated electron configuration [Ar]4s²3d⁶.