Question 1

The orbital diagram for a ground-state nitrogen atom

Accepted Answer

The answer of The orbital diagram for a ground-state nitrogen...

Question 2

Select the element with the least metallic character.
A)Sn
B)Sr
C)Tl
D)Ge
E)Ga

Accepted Answer

The answer of Select the element with the least metallic...

Question 3

How many electrons are there in the 3rd principal energy level (n = 3) of a phosphorus atom?

Accepted Answer

A) 3 
B) 5 
C) 6 
D) 8 
E) 10 
A) 3 
B) 5 
C) 6 
D) 8 
E) 10

Question 4

Which ground-state atom has an electron configuration described by the following orbital diagram?

Accepted Answer

A) phosphorus 
B) germanium 
C) selenium 
D) tellurium 
E) potassium 
A) phosphorus 
B) germanium 
C) selenium 
D) tellurium 
E) potassium

Question 5

Using the periodic table, predict the charge on the common ion of calcium.

Accepted Answer

A) +1 
B) +2 
C) −1 
D) −2 
A) +1 
B) +2 
C) −1 
D) −2

Question 6

Select the element that will lose an electron most easily, based on the periodic trend.

Accepted Answer

A) Li 
B) Na 
C) K 
D) He 
A) Li 
B) Na 
C) K 
D) He

Question 7

Select the arrangement of electromagnetic radiation which starts with the lowest energy and increases to the greatest energy.

Accepted Answer

A)  radio, infrared, ultraviolet, gamma rays 
B)  radio, ultraviolet, infrared, gamma rays 
C)  gamma rays, infrared, radio, ultraviolet 
D)  gamma rays, ultraviolet, infrared, radio 
E)  infrared, ultraviolet, radio, gamma rays 
A)  radio, infrared, ultraviolet, gamma rays 
B)  radio, ultraviolet, infrared, gamma rays 
C)  gamma rays, infrared, radio, ultraviolet 
D)  gamma rays, ultraviolet, infrared, radio 
E)  infrared, ultraviolet, radio, gamma rays

Question 8

Using the periodic table, predict the charge on the common ion of bromine.

Accepted Answer

A) +1 
B) +2 
C) −1 
D) −2 
A) +1 
B) +2 
C) −1 
D) −2

Question 9

Determine which sublevel designation is not legitimate.

Accepted Answer

A) 4s 
B) 2d 
C) 3s 
D) 5p 
A) 4s 
B) 2d 
C) 3s 
D) 5p

Question 10

List the following types of radiation from lowest frequency to highest frequency: microwave, X ray, ultraviolet, visible, and infrared

Accepted Answer

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

Question 11

How many orbitals can have the 4s description in a given atom?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 5 
A) 1 
B) 2 
C) 3 
D) 5

Question 12

Determine which sublevel designation is legitimate.

Accepted Answer

A) 1p 
B) 2p 
C) 3f 
D) 4z 
A) 1p 
B) 2p 
C) 3f 
D) 4z

Question 13

The general electron configuration for noble gas atoms is

Accepted Answer

A) ns2np6. 
B) ns2np5. 
C) ns2np4. 
D) ns2np3. 
E) ns2. 
A) ns2np6. 
B) ns2np5. 
C) ns2np4. 
D) ns2np3. 
E) ns2.

Question 14

Which of these choices is the electron configuration for the chloride ion?

Accepted Answer

A) [Ne]3s23p4 
B) [Ne]3s23p7 
C) [Ar] 
D) [Ar]4s1 
E) [Ne]3s23p5 
A) [Ne]3s23p4 
B) [Ne]3s23p7 
C) [Ar] 
D) [Ar]4s1 
E) [Ne]3s23p5

Question 15

Atomic orbitals developed using quantum mechanics

Accepted Answer

A) describe regions of space in which one is most likely to find an electron. 
B) describe exact paths for electron motion. 
C) give a description of the atomic structure which is essentially the same as the Bohr model. 
D) allow scientists to calculate an exact volume for the hydrogen atom. 
E) are in conflict with the Heisenberg uncertainty principle. 
A) describe regions of space in which one is most likely to find an electron. 
B) describe exact paths for electron motion. 
C) give a description of the atomic structure which is essentially the same as the Bohr model. 
D) allow scientists to calculate an exact volume for the hydrogen atom. 
E) are in conflict with the Heisenberg uncertainty principle.

Question 16

Which of the following electron transitions would be expected to absorb any light in the Bohr model of the atom?

Accepted Answer

A) n = 1 to n = 3 
B) n = 3 to n = 2 
C) n = 4 to n = 2 
D) n = 6 to n = 5 
A) n = 1 to n = 3 
B) n = 3 to n = 2 
C) n = 4 to n = 2 
D) n = 6 to n = 5

Question 17

Select the element with the greatest metallic character.
A)Li
B)Ca
C)Al
D)Pb
E)Cs

Accepted Answer

The answer of Select the element with the greatest metallic...

Question 18

Which of these choices is the electron configuration for the aluminum ion?

Accepted Answer

A) 1s22s22p63s2 
B) 1s22s22p63s23p2 
C) 1s22s22p63s23p1 
D) 1s22s22p6 
E) 1s22s22p63s23p4 
A) 1s22s22p63s2 
B) 1s22s22p63s23p2 
C) 1s22s22p63s23p1 
D) 1s22s22p6 
E) 1s22s22p63s23p4

Question 19

What is the electron configuration for silicon?

Accepted Answer

A) 1s22s22p63s13p3 
B) 1s22s22p63s23p2 
C) 1s22s22p63s4 
D) 1s22s22p63p4 
E) 1s22s22p63s23p3 
A) 1s22s22p63s13p3 
B) 1s22s22p63s23p2 
C) 1s22s22p63s4 
D) 1s22s22p63p4 
E) 1s22s22p63s23p3

Question 20

Determine which sublevel designation is legitimate.

Accepted Answer

A) 1f 
B) 2d 
C) 3c 
D) 4s 
A) 1f 
B) 2d 
C) 3c 
D) 4s

The orbital diagram for a ground-state nitrogen atom is

Select the element with the least metallic character. A)Sn B)Sr C)Tl D)Ge E)Ga

How many electrons are there in the 3^rd principal energy level (n = 3) of a phosphorus atom?

Which ground-state atom has an electron configuration described by the following orbital diagram?

Using the periodic table, predict the charge on the common ion of calcium.

Select the element that will lose an electron most easily, based on the periodic trend.

Select the arrangement of electromagnetic radiation which starts with the lowest energy and increases to the greatest energy.

Using the periodic table, predict the charge on the common ion of bromine.

Determine which sublevel designation is not legitimate.

List the following types of radiation from lowest frequency to highest frequency: microwave, X ray, ultraviolet, visible, and infrared

How many orbitals can have the 4s description in a given atom?

Determine which sublevel designation is legitimate.

The general electron configuration for noble gas atoms is

Which of these choices is the electron configuration for the chloride ion?

Atomic orbitals developed using quantum mechanics

Which of the following electron transitions would be expected to absorb any light in the Bohr model of the atom?

Select the element with the greatest metallic character. A)Li B)Ca C)Al D)Pb E)Cs

Which of these choices is the electron configuration for the aluminum ion?

What is the electron configuration for silicon?

Determine which sublevel designation is legitimate.

Atoms and Elements

Compounds and Chemical Bonds

How Chemists Use Numbers

The Mole and Chemical Formulas

Molecular Shape

Solids, Liquids, and Phase Changes

Gases

Physical Properties of Solutions

Chemical Reactions and Chemical Equations

Using Balanced Chemical Equations

Acids and Bases

Equilibrium

Organic Chemistry

Biochemistry

Nuclear Chemistry

Electrochemistry

Filters

Exam 2: Electrons and the Periodic Table

The orbital diagram for a ground-state nitrogen atom is

Select the element with the least metallic character. A)Sn B)Sr C)Tl D)Ge E)Ga

How many electrons are there in the 3rd principal energy level (n = 3) of a phosphorus atom?

Which ground-state atom has an electron configuration described by the following orbital diagram?

Using the periodic table, predict the charge on the common ion of calcium.

Select the element that will lose an electron most easily, based on the periodic trend.

Select the arrangement of electromagnetic radiation which starts with the lowest energy and increases to the greatest energy.

Using the periodic table, predict the charge on the common ion of bromine.

Determine which sublevel designation is not legitimate.

List the following types of radiation from lowest frequency to highest frequency: microwave, X ray, ultraviolet, visible, and infrared

How many orbitals can have the 4s description in a given atom?

Determine which sublevel designation is legitimate.

The general electron configuration for noble gas atoms is

Which of these choices is the electron configuration for the chloride ion?

Atomic orbitals developed using quantum mechanics

Which of the following electron transitions would be expected to absorb any light in the Bohr model of the atom?

Select the element with the greatest metallic character. A)Li B)Ca C)Al D)Pb E)Cs

Which of these choices is the electron configuration for the aluminum ion?

What is the electron configuration for silicon?

Determine which sublevel designation is legitimate.

Atoms and Elements

Compounds and Chemical Bonds

How Chemists Use Numbers

The Mole and Chemical Formulas

Molecular Shape

Solids, Liquids, and Phase Changes

Gases

Physical Properties of Solutions

Chemical Reactions and Chemical Equations

Using Balanced Chemical Equations

Acids and Bases

Equilibrium

Organic Chemistry

Biochemistry

Nuclear Chemistry

Electrochemistry

Filters

How many electrons are there in the 3^rd principal energy level (n = 3) of a phosphorus atom?