Question 1

Which of the following subshells appear in the second shell?

Accepted Answer

A) s 
B) s,p 
C) s, p, d 
D) p 
A) s 
B) s,p 
C) s, p, d 
D) p B

Question 2

The element is defined by its atomic number.

Accepted Answer

A) True 
 B)False  True

Question 3

Write the complete electronic ground state configuration for tellurium (Te). Make sure the terms in your answer are listed in order of increasing energy.

Accepted Answer

Two possible, equally correct Answer: the abbreviated [Kr] 5s²4d¹⁰5p⁴, or the complete 1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁶5s²4d¹⁰5p⁴.

Question 4

+1 is the only charge sodium ions normally have.

Accepted Answer

A) True 
 B)False

Question 5

Which is the correct electronic configuration for Fe (atomic number 26)in the ground state?

Accepted Answer

A) 1s22s22p63s23p64s23d6 
B) 1s22s22p63s23p63d8 
C) 1s22s22p63s23p63d64s2 
D) 1s22s22p63s23p64s24p6 
A) 1s22s22p63s23p64s23d6 
B) 1s22s22p63s23p63d8 
C) 1s22s22p63s23p63d64s2 
D) 1s22s22p63s23p64s24p6

Question 6

Both the energy and the wavelength of electromagnetic radiation are related by the constants c, the speed of light, and Planck's constant, h.

Accepted Answer

A) True 
 B)False

Question 7

Predict the formula of the compound produced in a reaction between barium (Ba)and oxygen (O).

Accepted Answer

A) (BaO2) 
B) BaO 
C)    
D) (Ba2O3) 
A) (BaO2) 
B) BaO 
C)    
D) (Ba2O3)

Question 8

The scientist credited with developing the current mathematical model of the atom is ________.

Accepted Answer

A) Bohr 
B) Schrodinger 
C) Planck 
D) Rutherford 
A) Bohr 
B) Schrodinger 
C) Planck 
D) Rutherford

Question 9

Which of the following anions will have the electronic configuration 1s22s22p63s23p6 ?

Accepted Answer

A) K1- 
B) Cl1- 
C) S2- 
D) Br1- 
A) K1- 
B) Cl1- 
C) S2- 
D) Br1-

Question 10

The correct order of increasing energy in the following subshells is:

Accepted Answer

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

Question 11

Phosphorus atoms have five valence electrons.

Accepted Answer

A) True 
 B)False

Question 12

The size of boron is ________ than that of oxygen and ________ than that of aluminum.

Accepted Answer

A) smaller; larger 
B) larger; larger 
C) smaller; smaller 
D) larger; smaller 
A) smaller; larger 
B) larger; larger 
C) smaller; smaller 
D) larger; smaller

Question 13

A non-metal is an element that tends to ________ valence electrons in chemical reactions, becoming a(n)________ in the process.

Accepted Answer

A) lose; cation 
B) gain; anion 
C) lose; anion 
D) gain; cation 
A) lose; cation 
B) gain; anion 
C) lose; anion 
D) gain; cation

Question 14

A metal is an element that tends to ________ valence electrons in chemical reactions, becoming a(n)________ in the process.

Accepted Answer

A) lose; cation 
B) gain; anion 
C) lose; anion 
D) gain; cation 
A) lose; cation 
B) gain; anion 
C) lose; anion 
D) gain; cation

Question 15

Which species has the following electronic configuration: 1s22s22p63s23p6 ?

Accepted Answer

A) F- 
B) Mg+2 
C) P-3 
D) S- 
A) F- 
B) Mg+2 
C) P-3 
D) S-

Question 16

The only possible way for an excited state electron to return to the ground state is to emit energy in the form of visible light.

Accepted Answer

A) True 
 B)False

Question 17

Which of the following species does not match the electronic configuration 1s22s22p63s23p64s23d104p6 ?

Accepted Answer

A) Br- 
B) Sr+2 
C) As-3 
D) Se+2 
A) Br- 
B) Sr+2 
C) As-3 
D) Se+2

Question 18

The correct shortcut for writing the electronic configuration of Sr is [Ar]4s2.

Accepted Answer

A) True 
 B)False

Question 19

Halogens have large electron affinity values.

Accepted Answer

A) True 
 B)False

Question 20

Which feature of Bohr's atomic model is no longer accepted as true by today's scientists?

Accepted Answer

A) that most of an atom's mass is located within the nucleus 
B) that electrons have only certain, allowed energy values 
C) that electrons orbit the nucleus in circular paths 
D) that each principal quantum level can hold a maximum of 2n2 electrons 
A) that most of an atom's mass is located within the nucleus 
B) that electrons have only certain, allowed energy values 
C) that electrons orbit the nucleus in circular paths 
D) that each principal quantum level can hold a maximum of 2n2 electrons

Which of the following subshells appear in the second shell?

The element is defined by its atomic number.

Write the complete electronic ground state configuration for tellurium (Te). Make sure the terms in your answer are listed in order of increasing energy.

+1 is the only charge sodium ions normally have.

Which is the correct electronic configuration for Fe (atomic number 26)in the ground state?

Both the energy and the wavelength of electromagnetic radiation are related by the constants c, the speed of light, and Planck's constant, h.

Predict the formula of the compound produced in a reaction between barium (Ba)and oxygen (O).

The scientist credited with developing the current mathematical model of the atom is ________.

Which of the following anions will have the electronic configuration 1s²2s²2p⁶3s²3p^{6 ?}

The correct order of increasing energy in the following subshells is:

Phosphorus atoms have five valence electrons.

The size of boron is than that of oxygen and than that of aluminum.

A non-metal is an element that tends to valence electrons in chemical reactions, becoming a(n) in the process.

A metal is an element that tends to valence electrons in chemical reactions, becoming a(n) in the process.

Which species has the following electronic configuration: 1s²2s²2p⁶3s²3p⁶ ?

The only possible way for an excited state electron to return to the ground state is to emit energy in the form of visible light.

Which of the following species does not match the electronic configuration 1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁶?

The correct shortcut for writing the electronic configuration of Sr is [Ar]4s².

Halogens have large electron affinity values.

Which feature of Bohr's atomic model is no longer accepted as true by today's scientists?

What Is Chemistry

The Numerical Side of Chemistry

The Evolution of Atomic Theory

Chemical Bonding and Nomenclature

The Shape of Molecules

Intermolecular Forces and the Phases of Matter

Chemical Reactions

Stoichiometry and the Mole

Electron Transfer in Chemical Reactions

What If There Were No Intermolecular Forces the Ideal Gas

Solutions

When Reactants Turn Into Products

Chemical Equilibrium

Electrolytes, Acids, and Bases

Nuclear Chemistry

The Chemistry of Carbon

Synthetic and Biological Polymers

Filters

Exam 4: The Modern Model of the Atom

Which of the following subshells appear in the second shell?

The element is defined by its atomic number.

Write the complete electronic ground state configuration for tellurium (Te). Make sure the terms in your answer are listed in order of increasing energy.

+1 is the only charge sodium ions normally have.

Which is the correct electronic configuration for Fe (atomic number 26)in the ground state?

Both the energy and the wavelength of electromagnetic radiation are related by the constants c, the speed of light, and Planck's constant, h.

Predict the formula of the compound produced in a reaction between barium (Ba)and oxygen (O).

The scientist credited with developing the current mathematical model of the atom is ________.

Which of the following anions will have the electronic configuration 1s22s22p63s23p6 ?

The correct order of increasing energy in the following subshells is:

Phosphorus atoms have five valence electrons.

The size of boron is ________ than that of oxygen and ________ than that of aluminum.

A non-metal is an element that tends to ________ valence electrons in chemical reactions, becoming a(n)________ in the process.

A metal is an element that tends to ________ valence electrons in chemical reactions, becoming a(n)________ in the process.

Which species has the following electronic configuration: 1s22s22p63s23p6 ?

The only possible way for an excited state electron to return to the ground state is to emit energy in the form of visible light.

Which of the following species does not match the electronic configuration 1s22s22p63s23p64s23d104p6 ?

The correct shortcut for writing the electronic configuration of Sr is [Ar]4s2.

Halogens have large electron affinity values.

Which feature of Bohr's atomic model is no longer accepted as true by today's scientists?

What Is Chemistry

The Numerical Side of Chemistry

The Evolution of Atomic Theory

Chemical Bonding and Nomenclature

The Shape of Molecules

Intermolecular Forces and the Phases of Matter

Chemical Reactions

Stoichiometry and the Mole

Electron Transfer in Chemical Reactions

What If There Were No Intermolecular Forces the Ideal Gas

Solutions

When Reactants Turn Into Products

Chemical Equilibrium

Electrolytes, Acids, and Bases

Nuclear Chemistry

The Chemistry of Carbon

Synthetic and Biological Polymers

Filters

Which of the following anions will have the electronic configuration 1s²2s²2p⁶3s²3p^{6 ?}

The size of boron is than that of oxygen and than that of aluminum.

A non-metal is an element that tends to valence electrons in chemical reactions, becoming a(n) in the process.

A metal is an element that tends to valence electrons in chemical reactions, becoming a(n) in the process.

Which species has the following electronic configuration: 1s²2s²2p⁶3s²3p⁶ ?

Which of the following species does not match the electronic configuration 1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁶?

The correct shortcut for writing the electronic configuration of Sr is [Ar]4s².