Question 1

The total number of electrons that can be accommodated in 3d is ________.

Accepted Answer

A) 5 
B) 2 
C) 6 
D) 10 
A) 5 
B) 2 
C) 6 
D) 10

Question 2

The wavelength is the distance measured between two crests, but not between two troughs.

Accepted Answer

A) True 
 B)False

Question 3

The s-type orbitals of any given principal energy level are always spherical in shape.

Accepted Answer

A) True 
 B)False

Question 4

Which orbital is dumbbell-shaped?

Accepted Answer

A) 2s 
B) 3p 
C) 4d 
D) 5g 
A) 2s 
B) 3p 
C) 4d 
D) 5g

Question 5

The units of h (Planck's constant)are ________.

Accepted Answer

A) J.s 
B) J/s 
C) m/s 
D) J/nm 
A) J.s 
B) J/s 
C) m/s 
D) J/nm

Question 6

Which of the following does not have the neon electron configuration?

Accepted Answer

A) S4+ 
B) Mg2+ 
C) O2- 
D) Al3+ 
A) S4+ 
B) Mg2+ 
C) O2- 
D) Al3+

Question 7

The likely formula of the compound formed between Al and S is ________.

Accepted Answer

A) Al2S 
B) AlS2 
C) Al2S3 
D) Al3S2 
A) Al2S 
B) AlS2 
C) Al2S3 
D) Al3S2

Question 8

Which of the following elements never obeys the octet rule?

Accepted Answer

A) Hydrogen 
B) Nitrogen 
C) Carbon 
D) Chlorine 
A) Hydrogen 
B) Nitrogen 
C) Carbon 
D) Chlorine

Question 9

Match between columns
                        Premises: CₓOy
LiₓHy
AlₓSy
LiₓNy
CₓNy
BₓFy
MgₓOy
CₓCly
NaₓS
LiₓCy
AlₓCl
BaₓCly
PₓHy
CaₓNy

Accepted Answer

The Answer of x = 1, y = 1 and is...

Question 10

The 95% boundary indicates the area where 95% of the time the electron may be found.

Accepted Answer

A) True 
 B)False

Question 11

Match between columns
                        Premises: 5s²
7s²6d²
4p⁵
4s¹3d¹⁰
6s²4f¹⁰
3d⁵
5p⁶

Accepted Answer

The Answer of Mn and Cu and Th and Br is...

Question 12

How many valence electrons are in silicon?

Accepted Answer

A) 2 
B) 4 
C) 5 
D) 7 
A) 2 
B) 4 
C) 5 
D) 7

Question 13

What is the number of outer shell electrons in fluorine?

Accepted Answer

A) 2 
B) 5 
C) 7 
D) 9 
A) 2 
B) 5 
C) 7 
D) 9

Question 14

Match between columns
                        Premises: O
Ba
I
P
Br
N
K
H
Si
S
He
C1
Al
Li
Ne

Accepted Answer

The Answer of (-1) and zero and (-2) and (+2) is...

Question 15

Atoms in which of the following groups will likely gain three electrons?

Accepted Answer

A) IIIA 
B) VA 
C) VIIA 
D) both A and B 
A) IIIA 
B) VA 
C) VIIA 
D) both A and B

Question 16

Which species has the following electronic configuration: 1s22s22p63s23p3 ?

Accepted Answer

A) Al 
B) P 
C) S 
D) Si 
A) Al 
B) P 
C) S 
D) Si

Question 17

Which of the following does not include [Kr] in its shorthand electron configuration?

Accepted Answer

A) Sr2+ 
B) Te2- 
C) Se6+ 
D) Mo 
A) Sr2+ 
B) Te2- 
C) Se6+ 
D) Mo

Question 18

The elements of Group VIIIA are almost entirely non-reactive with any of the other chemical elements. Which of the following statements best explains this observed behavior?

Accepted Answer

A) Group VIIIA elements comply with the octet rule. 
B) Group VIIIA elements are so rare that no one has ever studied their reactive properties in any detail. 
C) Group VIIIA elements are all gases, and gases are generally non-reactive. 
D) No explanation given here can explain why Group VIIIA elements do not react with any of the other chemical elements. 
A) Group VIIIA elements comply with the octet rule. 
B) Group VIIIA elements are so rare that no one has ever studied their reactive properties in any detail. 
C) Group VIIIA elements are all gases, and gases are generally non-reactive. 
D) No explanation given here can explain why Group VIIIA elements do not react with any of the other chemical elements.

Question 19

Bohr's atomic theory places an atom's electrons in discrete-energy circular paths around a central, positively charged nucleus.

Accepted Answer

A) True 
 B)False

Question 20

Below are four pairs of atoms and ions. In which pair is the larger of the two species written first?

Accepted Answer

A) S2- and S 
B) Cu2+ and Cu 
C) O and O2- 
D) Cr3+ and Cr 
A) S2- and S 
B) Cu2+ and Cu 
C) O and O2- 
D) Cr3+ and Cr

The total number of electrons that can be accommodated in 3d is ________.

The wavelength is the distance measured between two crests, but not between two troughs.

The s-type orbitals of any given principal energy level are always spherical in shape.

Which orbital is dumbbell-shaped?

The units of h (Planck's constant)are ________.

Which of the following does not have the neon electron configuration?

The likely formula of the compound formed between Al and S is ________.

Which of the following elements never obeys the octet rule?

The 95% boundary indicates the area where 95% of the time the electron may be found.

How many valence electrons are in silicon?

What is the number of outer shell electrons in fluorine?

Atoms in which of the following groups will likely gain three electrons?

Which species has the following electronic configuration: 1s²2s²2p⁶3s²3p³?

Which of the following does not include [Kr] in its shorthand electron configuration?

The elements of Group VIIIA are almost entirely non-reactive with any of the other chemical elements. Which of the following statements best explains this observed behavior?

Bohr's atomic theory places an atom's electrons in discrete-energy circular paths around a central, positively charged nucleus.

Below are four pairs of atoms and ions. In which pair is the larger of the two species written first?

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

The total number of electrons that can be accommodated in 3d is ________.

The wavelength is the distance measured between two crests, but not between two troughs.

The s-type orbitals of any given principal energy level are always spherical in shape.

Which orbital is dumbbell-shaped?

The units of h (Planck's constant)are ________.

Which of the following does not have the neon electron configuration?

The likely formula of the compound formed between Al and S is ________.

Which of the following elements never obeys the octet rule?

The 95% boundary indicates the area where 95% of the time the electron may be found.

How many valence electrons are in silicon?

What is the number of outer shell electrons in fluorine?

Atoms in which of the following groups will likely gain three electrons?

Which species has the following electronic configuration: 1s22s22p63s23p3 ?

Which of the following does not include [Kr] in its shorthand electron configuration?

The elements of Group VIIIA are almost entirely non-reactive with any of the other chemical elements. Which of the following statements best explains this observed behavior?

Bohr's atomic theory places an atom's electrons in discrete-energy circular paths around a central, positively charged nucleus.

Below are four pairs of atoms and ions. In which pair is the larger of the two species written first?

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 species has the following electronic configuration: 1s²2s²2p⁶3s²3p³?