Question 1

Which of the following gives the correct order of ionization energies?

Accepted Answer

A)  Li > Na > K > Rb 
B)  Na > Mg > P > Cl 
C)  both Li > Na > K > Rb and Na > Mg > P > CI 
D)  neither Li > Na > K > Rb or Na > Mg > P > CI 
A)  Li > Na > K > Rb 
B)  Na > Mg > P > Cl 
C)  both Li > Na > K > Rb and Na > Mg > P > CI 
D)  neither Li > Na > K > Rb or Na > Mg > P > CI A

Question 2

How many electrons can be accommodated in the 4p subshell?

Accepted Answer

A)  4 
B)  6 
C)  8 
D)  18 
A)  4 
B)  6 
C)  8 
D)  18 B

Question 3

Which of the following elements is named after a country?

Accepted Answer

A)  Fr 
B)  Ge 
C)  Po 
D)  all of these 
A)  Fr 
B)  Ge 
C)  Po 
D)  all of these D

Question 4

How many valence electrons are there in an oxygen atom?

Accepted Answer

A)  2 
B)  4 
C)  6 
D)  8 
A)  2 
B)  4 
C)  6 
D)  8

Question 5

What is the approximate mass of an electron?

Accepted Answer

A)  1 amu 
B)  1 g 
C)  0.0005 amu 
D)  0.0005 g 
A)  1 amu 
B)  1 g 
C)  0.0005 amu 
D)  0.0005 g

Question 6

How many orbitals are there in the 4p subshell?

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
A)  1 
B)  2 
C)  3 
D)  4

Question 7

What are the elements in the "A" columns of the periodic table called?

Accepted Answer

A)  main group elements 
B)  inner transition elements 
C)  transition elements 
D)  none of these 
A)  main group elements 
B)  inner transition elements 
C)  transition elements 
D)  none of these

Question 8

Which of the following statements describes an orbital?

Accepted Answer

A)  Orbitals fill in the order of increasing energy from lowest to highest. 
B)  Each orbital can hold up to two electrons with opposite spins. 
C)  When there is a set of orbitals of equal energy, each orbital becomes half-filled before any of them becomes completely filled. 
D)  All of these are correct. 
A)  Orbitals fill in the order of increasing energy from lowest to highest. 
B)  Each orbital can hold up to two electrons with opposite spins. 
C)  When there is a set of orbitals of equal energy, each orbital becomes half-filled before any of them becomes completely filled. 
D)  All of these are correct.

Question 9

Which of the following elements occurs naturally in the monoatomic form under normal atmospheric conditions?

Accepted Answer

A)  oxygen 
B)  fluorine 
C)  hydrogen 
D)  helium 
A)  oxygen 
B)  fluorine 
C)  hydrogen 
D)  helium

Question 10

Which of the following statements correctly describes a proton?

Accepted Answer

A)  On the scale of subatomic particles, it is massive and has a +1 charge. 
B)  On the scale of subatomic particles, it is massive and has a -1 charge. 
C)  On the scale of subatomic particles, it is light and has a +1 charge. 
D)  On the scale of subatomic particles, it is light and has a -1 charge. 
A)  On the scale of subatomic particles, it is massive and has a +1 charge. 
B)  On the scale of subatomic particles, it is massive and has a -1 charge. 
C)  On the scale of subatomic particles, it is light and has a +1 charge. 
D)  On the scale of subatomic particles, it is light and has a -1 charge.

Question 11

Which of the following statements is true of neutrons?

Accepted Answer

A)  Neutrons carry a positive charge. 
B)  Neutrons carry a negative charge. 
C)  Neutrons do not carry an electrical charge. 
D)  Neutrons do not have mass. 
A)  Neutrons carry a positive charge. 
B)  Neutrons carry a negative charge. 
C)  Neutrons do not carry an electrical charge. 
D)  Neutrons do not have mass.

Question 12

Which of the following elements has the smallest atoms?

Accepted Answer

A)  Ca 
B)  K 
C)  Mg 
D)  Na 
A)  Ca 
B)  K 
C)  Mg 
D)  Na

Question 13

In the region of the periodic table associated with the inner transition elements, which type of orbitals are being filled?

Accepted Answer

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

Question 14

Which of the following contains only metals?

Accepted Answer

A)  Na, Mg, Si, and P 
B)  Al, Na, Li, and Be 
C)  He, Al, Si, and Mg 
D)  none of these 
A)  Na, Mg, Si, and P 
B)  Al, Na, Li, and Be 
C)  He, Al, Si, and Mg 
D)  none of these

Question 15

Why is strontium-90 an especially dangerous radioactive isotope?

Accepted Answer

A)  It has an exceptionally short half-life and rapidly settles to the ground when carried by winds. 
B)  It has exceptionally intense radioactivity and is a cause of sudden death in cows. 
C)  It is deposited in bones and teeth and is not readily eliminated from the human body. 
D)  All of these are correct. 
A)  It has an exceptionally short half-life and rapidly settles to the ground when carried by winds. 
B)  It has exceptionally intense radioactivity and is a cause of sudden death in cows. 
C)  It is deposited in bones and teeth and is not readily eliminated from the human body. 
D)  All of these are correct.

Question 16

How many unpaired electrons are there in an oxygen atom in its ground state?

Accepted Answer

A)  1 
B)  2 
C)  4 
D)  8 
A)  1 
B)  2 
C)  4 
D)  8

Question 17

What is the approximate mass of a neutron?

Accepted Answer

A)  12 g 
B)  1 g 
C)  12 amu 
D)  1 amu 
A)  12 g 
B)  1 g 
C)  12 amu 
D)  1 amu

Question 18

How many elements are there in period 3?

Accepted Answer

A)  2 
B)  6 
C)  8 
D)  18 
A)  2 
B)  6 
C)  8 
D)  18

Question 19

How many orbitals are there in the 3d subshell?

Accepted Answer

A)  3 
B)  5 
C)  7 
D)  8 
A)  3 
B)  5 
C)  7 
D)  8

Question 20

How many valence electrons are present in a carbon atom?

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
A)  1 
B)  2 
C)  3 
D)  4

Exam 2: Atoms

Which of the following gives the correct order of ionization energies?

How many electrons can be accommodated in the 4p subshell?

Which of the following elements is named after a country?

How many valence electrons are there in an oxygen atom?

What is the approximate mass of an electron?

How many orbitals are there in the 4p subshell?

What are the elements in the "A" columns of the periodic table called?

Which of the following statements describes an orbital?

Which of the following elements occurs naturally in the monoatomic form under normal atmospheric conditions?

Which of the following statements correctly describes a proton?

Which of the following statements is true of neutrons?

Which of the following elements has the smallest atoms?

In the region of the periodic table associated with the inner transition elements, which type of orbitals are being filled?

Which of the following contains only metals?

Why is strontium-90 an especially dangerous radioactive isotope?

How many unpaired electrons are there in an oxygen atom in its ground state?

What is the approximate mass of a neutron?

How many elements are there in period 3?

How many orbitals are there in the 3d subshell?

How many valence electrons are present in a carbon atom?

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