Question 1

Which of the following has the smallest radius?

Accepted Answer

A)  B3+ 
B)  C4+ 
C)  Fe2+ 
D)  Fe 
E)  Fe3+ 
A)  B3+ 
B)  C4+ 
C)  Fe2+ 
D)  Fe 
E)  Fe3+

Question 2

The three quantum numbers for an electron in a hydrogen atom in a certain state are n = 4, l = 2,Ml = 1.The electron is located in what type of orbital?

Accepted Answer

A)  4p 
B)  3p 
C)  4s 
D)  4d 
E)  3d 
A)  4p 
B)  3p 
C)  4s 
D)  4d 
E)  3d

Question 3

When an electron is added to a gaseous chlorine atom, 349 kJ.mol-1 of energy is released. What is the ionization energy of a gaseous chloride ion?

Accepted Answer

Question 4

Which of the following pairs of elements has members with similar properties?

Accepted Answer

A)  Mg and Al 
B)  Li and Be 
C)  Mg and Ge 
D)  Na and Ca 
E)  None of the above. 
A)  Mg and Al 
B)  Li and Be 
C)  Mg and Ge 
D)  Na and Ca 
E)  None of the above.

Question 5

Which of the following has similar properties to Al?

Accepted Answer

A)  Li 
B)  Be 
C)  Si 
D)  Ga 
E)  Mg 
A)  Li 
B)  Be 
C)  Si 
D)  Ga 
E)  Mg

Question 6

Of the following, which is not an alkali metal?

Accepted Answer

A)  Cs. 
B)  Fr. 
C)  K. 
D)  Rb. 
E)  Re. 
A)  Cs. 
B)  Fr. 
C)  K. 
D)  Rb. 
E)  Re.

Question 7

All the following are non-metals except

Accepted Answer

A)  C. 
B)  S. 
C)  Ga. 
D)  Se. 
E)  Cl. 
A)  C. 
B)  S. 
C)  Ga. 
D)  Se. 
E)  Cl.

Question 8

How many nodal planes are expected for 2s and 4f orbitals, respectively?

Accepted Answer

A)  0 and 4 
B)  0 and 3 
C)  2 and 4 
D)  1 and 4 
E)  1 and 3 
A)  0 and 4 
B)  0 and 3 
C)  2 and 4 
D)  1 and 4 
E)  1 and 3

Question 9

Which of the following statements is true?

Accepted Answer

A)  A 2s orbital has one nodal plane. 
B)  An electron in a p-orbital has zero probability of being found at the nucleus. 
C)  A p-orbital has a spherical boundary surface. 
D)  An s-orbital becomes more dense as the distance from the nucleus increases. 
E)  An electron in an s-orbital has a zero probability of being found at the nucleus. 
A)  A 2s orbital has one nodal plane. 
B)  An electron in a p-orbital has zero probability of being found at the nucleus. 
C)  A p-orbital has a spherical boundary surface. 
D)  An s-orbital becomes more dense as the distance from the nucleus increases. 
E)  An electron in an s-orbital has a zero probability of being found at the nucleus.

Question 10

When a mole of photons possesses an energy of 2.4 * 107 J, what is its frequency in /sec?

Accepted Answer

A)  1.6 * 10-15J/mol 
B)  6.1 * 10-16J/mol 
C)  6.1 * 1016J/mol 
D)  1.6 * 105J/mol 
E)  4.2 * 1016J/mol  
A)  1.6 * 10-15J/mol 
B)  6.1 * 10-16J/mol 
C)  6.1 * 1016J/mol 
D)  1.6 * 105J/mol 
E)  4.2 * 1016J/mol

Question 11

Which of the following has the largest radius?

Accepted Answer

A)  Fe3+ 
B)  Fe2+ 
C)  Fe 
D)  F 
E)  F− 
A)  Fe3+ 
B)  Fe2+ 
C)  Fe 
D)  F 
E)  F−

Question 12

Where is the nodal plane in a 1s orbital?

Accepted Answer

A)  Along the x-axis. 
B)  Along the y-axis. 
C)  Along the z-axis. 
D)  Mid-way between the x and y-axes. 
E)  There is none. 
A)  Along the x-axis. 
B)  Along the y-axis. 
C)  Along the z-axis. 
D)  Mid-way between the x and y-axes. 
E)  There is none.

Question 13

When radiation has a frequency of 5.2 * 1012 Hz, what is its wavelength?

Accepted Answer

A)  5.8 * 10-5 cm 
B)  1.7 * 104 m 
C)  1.7 * 10-4 m 
D)  5.8 * 10-5 m 
E)  5.8 * 105 m 
A)  5.8 * 10-5 cm 
B)  1.7 * 104 m 
C)  1.7 * 10-4 m 
D)  5.8 * 10-5 m 
E)  5.8 * 105 m

Question 14

Which orbitals have the greatest number of nodes?

Accepted Answer

A)  The s orbitals. 
B)  The p orbitals. 
C)  The d orbitals. 
D)  The f orbitals. 
E)  All orbitals have the same number of nodes. 
A)  The s orbitals. 
B)  The p orbitals. 
C)  The d orbitals. 
D)  The f orbitals. 
E)  All orbitals have the same number of nodes.

Question 15

Of the following, which is a Balmer series visible band?

Accepted Answer

A)  954.6 nm 
B)  656.3 nm 
C)  401.2 nm 
D)  121.6 nm 
E)  97.3 nm 
A)  954.6 nm 
B)  656.3 nm 
C)  401.2 nm 
D)  121.6 nm 
E)  97.3 nm

Question 16

Which of the following elements has the least metal character?

Accepted Answer

A)  In 
B)  Ge 
C)  Te 
D)  I 
E)  Tl 
A)  In 
B)  Ge 
C)  Te 
D)  I 
E)  Tl

Question 17

What are the possibilities of the spin quantum number for Mg?

Accepted Answer

A)  ms = 1 
B)  ms = 0 
C)  ms = +1/2 
D)  ms = - ½ 
E)  Both C and D 
A)  ms = 1 
B)  ms = 0 
C)  ms = +1/2 
D)  ms = - ½ 
E)  Both C and D

Question 18

What is the principle quantum number for gallium?

Accepted Answer

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

Question 19

From the data below, which element is likely to be a metal?
$$\begin{array} { l l } 
\text { Element } & \text { First ionization energy, } \mathrm { kJ } \cdot \mathrm { mol } ^ { - 1 } \
\hline 1 & 1310 \
2 & 1011 \
3 & 418 \
4 & 2080 \
5 & 947
\end{array}$$

Accepted Answer

A)  2 
B)  5 
C)  3 
D)  1 
E)  4 
A)  2 
B)  5 
C)  3 
D)  1 
E)  4

Question 20

If an electron is confined to a one-dimensional box 200 pm in length, calculate the zero-point energy.

Accepted Answer

A)  1.51 * 10-18 J 
B)  6.04 * 10-18 J 
C)  1.51 * 10-20 J 
D)  1.21 * 10-19 J 
E)  1.21 * 10-17 J 
A)  1.51 * 10-18 J 
B)  6.04 * 10-18 J 
C)  1.51 * 10-20 J 
D)  1.21 * 10-19 J 
E)  1.21 * 10-17 J

Which of the following has the smallest radius?

The three quantum numbers for an electron in a hydrogen atom in a certain state are n = 4, l = 2,M_l = 1.The electron is located in what type of orbital?

When an electron is added to a gaseous chlorine atom, 349 kJ.mol^-¹ of energy is released. What is the ionization energy of a gaseous chloride ion?

Which of the following pairs of elements has members with similar properties?

Which of the following has similar properties to Al?

Of the following, which is not an alkali metal?

All the following are non-metals except

How many nodal planes are expected for 2s and 4f orbitals, respectively?

Which of the following statements is true?

When a mole of photons possesses an energy of 2.4 * 10⁷ J, what is its frequency in /sec?

Which of the following has the largest radius?

Where is the nodal plane in a 1s orbital?

When radiation has a frequency of 5.2 * 10¹² Hz, what is its wavelength?

Which orbitals have the greatest number of nodes?

Of the following, which is a Balmer series visible band?

Which of the following elements has the least metal character?

What are the possibilities of the spin quantum number for Mg?

What is the principle quantum number for gallium?

From the data below, which element is likely to be a metal? Element First ionization energy, \cdot 1 1310 2 1011 3 418 4 2080 5 947

If an electron is confined to a one-dimensional box 200 pm in length, calculate the zero-point energy.

Molecules

States of Matter

Thermodynamics

Equilibrium

Reactions

Kinetics

The Main-Group Elements

The D-Block Elements

Nuclear Chemistry

Organic Chemistry

Filters

Exam 1: Atoms

Which of the following has the smallest radius?

The three quantum numbers for an electron in a hydrogen atom in a certain state are n = 4, l = 2,Ml = 1.The electron is located in what type of orbital?

When an electron is added to a gaseous chlorine atom, 349 kJ.mol-1 of energy is released. What is the ionization energy of a gaseous chloride ion?

Which of the following pairs of elements has members with similar properties?

Which of the following has similar properties to Al?

Of the following, which is not an alkali metal?

All the following are non-metals except

How many nodal planes are expected for 2s and 4f orbitals, respectively?

Which of the following statements is true?

When a mole of photons possesses an energy of 2.4 * 107 J, what is its frequency in /sec?

Which of the following has the largest radius?

Where is the nodal plane in a 1s orbital?

When radiation has a frequency of 5.2 * 1012 Hz, what is its wavelength?

Which orbitals have the greatest number of nodes?

Of the following, which is a Balmer series visible band?

Which of the following elements has the least metal character?

What are the possibilities of the spin quantum number for Mg?

What is the principle quantum number for gallium?

From the data below, which element is likely to be a metal? Element First ionization energy, \cdot 1 1310 2 1011 3 418 4 2080 5 947

If an electron is confined to a one-dimensional box 200 pm in length, calculate the zero-point energy.

Molecules

States of Matter

Thermodynamics

Equilibrium

Reactions

Kinetics

The Main-Group Elements

The D-Block Elements

Nuclear Chemistry

Organic Chemistry

Filters

The three quantum numbers for an electron in a hydrogen atom in a certain state are n = 4, l = 2,M_l = 1.The electron is located in what type of orbital?

When an electron is added to a gaseous chlorine atom, 349 kJ.mol^-¹ of energy is released. What is the ionization energy of a gaseous chloride ion?

When a mole of photons possesses an energy of 2.4 * 10⁷ J, what is its frequency in /sec?

When radiation has a frequency of 5.2 * 10¹² Hz, what is its wavelength?