Question 1

Metals generally become more reactive as one proceeds down a column (group).

Accepted Answer

A) True 
 B)False

Question 2

Which s orbital is the largest?

Accepted Answer

A) 1s 
B) 2s 
C) -2s 
D) -1s 
A) 1s 
B) 2s 
C) -2s 
D) -1s

Question 3

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

Accepted Answer

A) Co2+ 
B) Ca2+ 
C) Sc1+ 
D) Cl1+ 
A) Co2+ 
B) Ca2+ 
C) Sc1+ 
D) Cl1+

Question 4

The atomic radius can be calculated by x-ray diffraction.

Accepted Answer

A) True 
 B)False

Question 5

Which color light is composed of photons having the longest wavelength?

Accepted Answer

A) blue 
B) green 
C) yellow 
D) red 
A) blue 
B) green 
C) yellow 
D) red

Question 6

The likely formula of the compound formed between Ca and O is ________.

Accepted Answer

A) Ca2O 
B) CaO2 
C) Ca2O3 
D) CaO 
A) Ca2O 
B) CaO2 
C) Ca2O3 
D) CaO

Question 7

Shells get larger as the principal quantum number n increases.

Accepted Answer

A) True 
 B)False

Question 8

Which element is the more reactive, sodium (Na)or potassium (K)?

Accepted Answer

Potassium (K), as it possesses a more ac

Question 9

The red light is the element that possesses the lowest frequency of the visible region of the electromagnetic spectrum.

Accepted Answer

A) True 
 B)False

Question 10

The f-block represents a region on the periodic table which is 10 elements in width.

Accepted Answer

A) True 
 B)False

Question 11

How many electrons can be "stored" in a completely filled 4f sublevel?

Accepted Answer

A) 14 
B) 10 
C) 7 
D) 28 
A) 14 
B) 10 
C) 7 
D) 28

Question 12

The observed line spectra of electrically excited gas samples tend to support the notion that electron energies are quantized.

Accepted Answer

A) True 
 B)False

Question 13

Which type of electromagnetic radiation is composed of photons having the largest energy?

Accepted Answer

A) microwaves 
B) radio waves 
C) x rays 
D) gamma rays 
A) microwaves 
B) radio waves 
C) x rays 
D) gamma rays

Question 14

List the sublevels of the n = 3 principal energy level, and state the maximum number of electrons contained within each of these sublevels.

Accepted Answer

n = 3: 3s, containin

Question 15

Which of the following subshells does not appear in the third shell?

Accepted Answer

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

Question 16

Which of the following elements is the smallest size chalcogen?

Accepted Answer

A) H 
B) N 
C) O 
D) F 
A) H 
B) N 
C) O 
D) F

Question 17

Once an atom gets excited, it may remain in that excited state indefinitely.

Accepted Answer

A) True 
 B)False

Metals generally become more reactive as one proceeds down a column (group).

Which s orbital is the largest?

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

The atomic radius can be calculated by x-ray diffraction.

Which color light is composed of photons having the longest wavelength?

The likely formula of the compound formed between Ca and O is ________.

Shells get larger as the principal quantum number n increases.

Which element is the more reactive, sodium (Na)or potassium (K)?

The red light is the element that possesses the lowest frequency of the visible region of the electromagnetic spectrum.

The f-block represents a region on the periodic table which is 10 elements in width.

How many electrons can be "stored" in a completely filled 4f sublevel?

The observed line spectra of electrically excited gas samples tend to support the notion that electron energies are quantized.

Which type of electromagnetic radiation is composed of photons having the largest energy?

List the sublevels of the n = 3 principal energy level, and state the maximum number of electrons contained within each of these sublevels.

Which of the following subshells does not appear in the third shell?

Which of the following elements is the smallest size chalcogen?

Once an atom gets excited, it may remain in that excited state indefinitely.

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

Metals generally become more reactive as one proceeds down a column (group).

Which s orbital is the largest?

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

The atomic radius can be calculated by x-ray diffraction.

Which color light is composed of photons having the longest wavelength?

The likely formula of the compound formed between Ca and O is ________.

Shells get larger as the principal quantum number n increases.

Which element is the more reactive, sodium (Na)or potassium (K)?

The red light is the element that possesses the lowest frequency of the visible region of the electromagnetic spectrum.

The f-block represents a region on the periodic table which is 10 elements in width.

How many electrons can be "stored" in a completely filled 4f sublevel?

The observed line spectra of electrically excited gas samples tend to support the notion that electron energies are quantized.

Which type of electromagnetic radiation is composed of photons having the largest energy?

List the sublevels of the n = 3 principal energy level, and state the maximum number of electrons contained within each of these sublevels.

Which of the following subshells does not appear in the third shell?

Which of the following elements is the smallest size chalcogen?

Once an atom gets excited, it may remain in that excited state indefinitely.

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 cations will have the electronic configuration 1s²2s²2p⁶3s²3p^{6 ?}