Question 1

Tin is element number 50. This means that all tin atoms have

Accepted Answer

A)  an atomic number of 50 
B)  50 neutrons in the nucleus 
C)  a total of 50 subatomic particles in the nucleus 
D)  more than one correct response 
E)  no correct response 
A)  an atomic number of 50 
B)  50 neutrons in the nucleus 
C)  a total of 50 subatomic particles in the nucleus 
D)  more than one correct response 
E)  no correct response A

Question 2

Which of the following elements is a halogen?

Accepted Answer

A)  (9F) 
B)  (50Sn) 
C)  (79Au) 
D)  (92U) 
A)  (9F) 
B)  (50Sn) 
C)  (79Au) 
D)  (92U) A

Question 3

The correct electron configuration for 17Cl is

Accepted Answer

A)  1s22s22p5 
B)  1s22s22p63s2 
C)  1s22s22p63s23p5 
D)  1s22s22p63s23p64s23d5 
A)  1s22s22p5 
B)  1s22s22p63s2 
C)  1s22s22p63s23p5 
D)  1s22s22p63s23p64s23d5 C

Question 4

Two naturally occurring isotopes exist for the hypothetical element dippium. 25.0 percent of dippium atoms have a relative mass of 17.0 amu and 75.0 percent a relative mass of 21.3 amu. What is the atomic mass of dippium?

Accepted Answer

A)  18.1 amu 
B)  19.1 amu 
C)  20.2 amu 
D)  38.3 amu 
A)  18.1 amu 
B)  19.1 amu 
C)  20.2 amu 
D)  38.3 amu

Question 5

Characterize EACH of the following statements as being TRUE or FALSE and then indicate the collective true-false status using the choices provided. (1) All of the major minerals in the human body are metals.
(2) Iron is the most abundant transition metal in the human body.
(3) Deuterium is an isotope of hydrogen in which two protons are present.

Accepted Answer

A)  All three statements are true. 
B)  Two of the three statements are true. 
C)  Only one of the statements is true. 
D)  None of the statements is true. 
A)  All three statements are true. 
B)  Two of the three statements are true. 
C)  Only one of the statements is true. 
D)  None of the statements is true.

Question 6

Choose an appropriate pair of elements that have similar chemical properties.

Accepted Answer

A)  (37Rb and 38Sr) 
B)  (7N and 82Pb) 
C)  (9F and 17Cl) 
D)  (42Mo and 75Re) 
A)  (37Rb and 38Sr) 
B)  (7N and 82Pb) 
C)  (9F and 17Cl) 
D)  (42Mo and 75Re)

Question 7

Which of the following periodic table groups contains three or more nonmetallic elements?

Accepted Answer

A)  IIIA 
B)  IVA 
C)  VA 
D)  more than one correct response 
E)  no correct response 
A)  IIIA 
B)  IVA 
C)  VA 
D)  more than one correct response 
E)  no correct response

Question 8

Characterize EACH of the following statements as being TRUE or FALSE and then indicate the collective true-false status using the choices provided. (1) An electron configuration specifies subshell occupancy for electrons.
(2) The atomic number is double the mass number for atoms that contain an equal number of protons and neutrons.
(3) All occupied orbitals are completely filled in atoms of the element neon, which contains a total of 12 electrons.

Accepted Answer

A)  All three statements are true. 
B)  Two of the three statements are true. 
C)  Only one of the statements is true. 
D)  None of the statements is true. 
A)  All three statements are true. 
B)  Two of the three statements are true. 
C)  Only one of the statements is true. 
D)  None of the statements is true.

Question 9

Which of the following statements is correct for   ?

Accepted Answer

A)  contains more electrons than neutrons 
B)  contains no electrons 
C)  contains an equal number of neutrons and electrons 
D)  contains more neutrons than electrons 
A)  contains more electrons than neutrons 
B)  contains no electrons 
C)  contains an equal number of neutrons and electrons 
D)  contains more neutrons than electrons

Question 10

Which of the following characterizations for the element 23V is correct?

Accepted Answer

A)  a period 4 element 
B)  electron configuration ends in d3 
C)  an inner-transition element 
D)  more than one correct response 
E)  no correct response 
A)  a period 4 element 
B)  electron configuration ends in d3 
C)  an inner-transition element 
D)  more than one correct response 
E)  no correct response

Question 11

In which of the following pairs of elements are both members of the pair in the same period in the periodic table?

Accepted Answer

A)  Ne and Mg 
B)  Ni and Pd 
C)  Ca and Se 
D)  K and Rb 
A)  Ne and Mg 
B)  Ni and Pd 
C)  Ca and Se 
D)  K and Rb

Question 12

Choose the appropriate pair of atoms that contain the same number of neutrons.

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 13

Which of the following characterizations for the element 52Te is correct?

Accepted Answer

A)  both a representative element and a metal 
B)  electron configuration involves a partially filled s subshell 
C)  electron configuration involves a total of 52 electrons 
D)  more than one correct response 
E)  no correct response 
A)  both a representative element and a metal 
B)  electron configuration involves a partially filled s subshell 
C)  electron configuration involves a total of 52 electrons 
D)  more than one correct response 
E)  no correct response

Question 14

Characterize EACH of the following statements as being TRUE or FALSE and then indicate the collective true-false status using the choices provided. (1) The mass of an atom and the mass of its nucleus are essentially the same.
(2) Two of the six electrons present in an atom of carbon are unpaired.
(3) The element aluminum is located in the d area of the periodic table.

Accepted Answer

A)  All three statements are true. 
B)  Two of the three statements are true. 
C)  Only one of the statements is true. 
D)  None of the statements is true. 
A)  All three statements are true. 
B)  Two of the three statements are true. 
C)  Only one of the statements is true. 
D)  None of the statements is true.

Question 15

Choose an appropriate pair of elements that are in the same group of the periodic table.

Accepted Answer

A)  (37Rb and 38Sr) 
B)  (7N and 82Pb) 
C)  (9F and 17Cl) 
D)  (42Mo and 75Re) 
A)  (37Rb and 38Sr) 
B)  (7N and 82Pb) 
C)  (9F and 17Cl) 
D)  (42Mo and 75Re)

Question 16

Choose the appropriate electron configuration for an element with no unpaired electrons.

Accepted Answer

A)  1s22s22p63s23p6 
B)  1s22s22p63s23p4 
C)  1s22s22p63s1 
D)  1s22s22p5 
A)  1s22s22p63s23p6 
B)  1s22s22p63s23p4 
C)  1s22s22p63s1 
D)  1s22s22p5

Question 17

Choose the correct atom that has an equal number of protons, neutrons, and electrons.

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 18

Choose the correct atom that has a nuclear charge of +17

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 19

Which of the following elements is both a metal and a representative element?

Accepted Answer

A)  (9F) 
B)  (50Sn) 
C)  (79Au) 
D)  (92U) 
A)  (9F) 
B)  (50Sn) 
C)  (79Au) 
D)  (92U)

Question 20

Choose the appropriate pair of atoms that contain the same number of subatomic particles.

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Exam 3: Atomic Structure and the Periodic Table

Tin is element number 50. This means that all tin atoms have

Which of the following elements is a halogen?

The correct electron configuration for 17Cl is

Two naturally occurring isotopes exist for the hypothetical element dippium. 25.0 percent of dippium atoms have a relative mass of 17.0 amu and 75.0 percent a relative mass of 21.3 amu. What is the atomic mass of dippium?

Choose an appropriate pair of elements that have similar chemical properties.

Which of the following periodic table groups contains three or more nonmetallic elements?

Which of the following statements is correct for ?

Which of the following characterizations for the element 23V is correct?

In which of the following pairs of elements are both members of the pair in the same period in the periodic table?

Choose the appropriate pair of atoms that contain the same number of neutrons.

Which of the following characterizations for the element 52Te is correct?

Choose an appropriate pair of elements that are in the same group of the periodic table.

Choose the appropriate electron configuration for an element with no unpaired electrons.

Choose the correct atom that has an equal number of protons, neutrons, and electrons.

Choose the correct atom that has a nuclear charge of +17

Which of the following elements is both a metal and a representative element?

Choose the appropriate pair of atoms that contain the same number of subatomic particles.

Basic Concepts About Matter

Measurements in Chemistry

Chemical Bonding: the Ionic Bond Model

Chemical Bonding: the Covalent Bond Model

Chemical Calculations: Formula Masses, Moles, and Chemical Equations

Gases, Liquids, and Solids

Solutions

Chemical Reactions

Acids, Bases, and Salts

Nuclear Chemistry

Saturated Hydrocarbons

Unsaturated Hydrocarbons

Alcohols, Phenols, and Ethers

Aldehydes and Ketones

Carboxylic Acids, Esters, and Other Acid Derivatives

Amines and Amides

Carbohydrates

Lipids

Proteins

Enzymes and Vitamins

Nucleic Acids

Biochemical Energy Production

Carbohydrate Metabolism

Lipid Metabolism

Protein Metabolism

Filters

The correct electron configuration for ₁₇Cl is

Which of the following characterizations for the element ₂₃V is correct?

Which of the following characterizations for the element ₅₂Te is correct?