Question 1

The systematic (IUPAC) name of Sr(NO2)2 is:

Accepted Answer

A)  strontium nitrate 
B)  strontium dinitrate 
C)  sirium nitrate 
D)  strontium nitrite 
A)  strontium nitrate 
B)  strontium dinitrate 
C)  sirium nitrate 
D)  strontium nitrite

Question 2

Uranium, plutonium, and neptunium are classified as:

Accepted Answer

A)  alkali metals 
B)  alkaline earth metals 
C)  lanthanides 
D)  actinides 
A)  alkali metals 
B)  alkaline earth metals 
C)  lanthanides 
D)  actinides

Question 3

Alkali metal cations carry a charge of:

Accepted Answer

A)  1+ 
B)  2+ 
C)  2 − 
D)  1 − 
A)  1+ 
B)  2+ 
C)  2 − 
D)  1 −

Question 4

Consider 235U. How many neutrons are present in this nuclide?

Accepted Answer

A)  143 
B)  235 
C)  92 
D)  177 
A)  143 
B)  235 
C)  92 
D)  177

Question 5

The correct molecular formula for ammonium chloride is:

Accepted Answer

A)  NH3Cl 
B)  AmCl 
C)  NH4Cl 
D)  AmCl2 
A)  NH3Cl 
B)  AmCl 
C)  NH4Cl 
D)  AmCl2

Question 6

Which of the following are examples of transition metals:

Accepted Answer

A)  Fe and Zn 
B)  Sb and I 
C)  Pm and Gd 
D)  Al and Ga 
A)  Fe and Zn 
B)  Sb and I 
C)  Pm and Gd 
D)  Al and Ga

Question 7

Consider the 203Hg. How many neutrons are present in this nuclide?

Accepted Answer

A)  203 
B)  80 
C)  283 
D)  123 
A)  203 
B)  80 
C)  283 
D)  123

Question 8

____________________ are nuclei having the same number of protons but different numbers of neutrons.

Accepted Answer

The answer of ____________________ are nuclei having the same number...

Question 9

The systematic (IUPAC) name of NaClO4 is:

Accepted Answer

A)  sodium perchlorate 
B)  sodium chlorate 
C)  sodium hypochlorate 
D)  sodium chloride tetraoxide 
A)  sodium perchlorate 
B)  sodium chlorate 
C)  sodium hypochlorate 
D)  sodium chloride tetraoxide

Question 10

The most dense elements tend to be found in:

Accepted Answer

A)  Period 2 
B)  Period 6 
C)  Period 5 
D)  Period 4 
A)  Period 2 
B)  Period 6 
C)  Period 5 
D)  Period 4

Question 11

Elements in a periodic family tend to react in similar fashion.

Accepted Answer

A) True 
 B)False

Question 12

The correct molecular formula for lead nitrate is:

Accepted Answer

A)  PbN3 
B)  Pb(NO2)3 
C)  Pb(NO3)2 
D)  PNO3 
A)  PbN3 
B)  Pb(NO2)3 
C)  Pb(NO3)2 
D)  PNO3

Question 13

The Group II metals (Be, Mg, Ca, Sr, and Ba) are commonly referred to as the:

Accepted Answer

A)  alkali metals 
B)  alkaline earth metals 
C)  halogen metals 
D)  lanthanide metals 
A)  alkali metals 
B)  alkaline earth metals 
C)  halogen metals 
D)  lanthanide metals

Question 14

Which pair of elements can be classified as noble gases?

Accepted Answer

A)  H and He 
B)  Na and K 
C)  Kr and Ar 
D)  N and O 
A)  H and He 
B)  Na and K 
C)  Kr and Ar 
D)  N and O

Question 15

CaCl2 is an example of a(n):

Accepted Answer

A)  covalent compound 
B)  formula unit 
C)  molecular compound 
D)  organic acid 
A)  covalent compound 
B)  formula unit 
C)  molecular compound 
D)  organic acid

Question 16

The ____________________ provides a ratio of atoms in a compound.

Accepted Answer

The answer of The ____________________ provides a ratio of atoms...

Question 17

If an ion contains 33 protons, 39 neutrons, and 34 electrons, the ion is:

Accepted Answer

A)  (73Se1 − ) 
B)  (72As1 − ) 
C)  (67Y1+) 
D)  (73Se1+) 
A)  (73Se1 − ) 
B)  (72As1 − ) 
C)  (67Y1+) 
D)  (73Se1+)

Question 18

CH3 − O − CH3 is an example of an alcohol

Accepted Answer

A) True 
 B)False

Question 19

The correct molecular formula for strontium chloride is:

Accepted Answer

A)  SrCl2 
B)  StCl2 
C)  SrClO2 
D)  SrCl 
A)  SrCl2 
B)  StCl2 
C)  SrClO2 
D)  SrCl

Question 20

Free radicals such as   tend to be very reactive.

Accepted Answer

A) True 
 B)False

The systematic (IUPAC) name of Sr(NO₂)₂ is:

Uranium, plutonium, and neptunium are classified as:

Alkali metal cations carry a charge of:

Consider ²³⁵U. How many neutrons are present in this nuclide?

The correct molecular formula for ammonium chloride is:

Which of the following are examples of transition metals:

Consider the ²⁰³Hg. How many neutrons are present in this nuclide?

____________________ are nuclei having the same number of protons but different numbers of neutrons.

The systematic (IUPAC) name of NaClO₄ is:

The most dense elements tend to be found in:

Elements in a periodic family tend to react in similar fashion.

The correct molecular formula for lead nitrate is:

The Group II metals (Be, Mg, Ca, Sr, and Ba) are commonly referred to as the:

Which pair of elements can be classified as noble gases?

CaCl₂ is an example of a(n):

The ____________________ provides a ratio of atoms in a compound.

If an ion contains 33 protons, 39 neutrons, and 34 electrons, the ion is:

CH₃ − O − CH₃ is an example of an alcohol

The correct molecular formula for strontium chloride is:

Free radicals such as tend to be very reactive.

Introduction to Chemistry

Molecules Moles Chemical Equations

Stoichiometry

Gases

The Periodic Table and Atomic Structure

Chemical Bonding and Molecular Structure

Molecules and Materials

Energy and Chemistry

Entropy and the Second Law of Thermodynamics

Chemical Kinetics

Chemical Equilibrium

Electrochemistry

Filters

Exam 2: Atoms and Molecules

The systematic (IUPAC) name of Sr(NO2)2 is:

Uranium, plutonium, and neptunium are classified as:

Alkali metal cations carry a charge of:

Consider 235U. How many neutrons are present in this nuclide?

The correct molecular formula for ammonium chloride is:

Which of the following are examples of transition metals:

Consider the 203Hg. How many neutrons are present in this nuclide?

____________________ are nuclei having the same number of protons but different numbers of neutrons.

The systematic (IUPAC) name of NaClO4 is:

The most dense elements tend to be found in:

Elements in a periodic family tend to react in similar fashion.

The correct molecular formula for lead nitrate is:

The Group II metals (Be, Mg, Ca, Sr, and Ba) are commonly referred to as the:

Which pair of elements can be classified as noble gases?

CaCl2 is an example of a(n):

The ____________________ provides a ratio of atoms in a compound.

If an ion contains 33 protons, 39 neutrons, and 34 electrons, the ion is:

CH3 − O − CH3 is an example of an alcohol

The correct molecular formula for strontium chloride is:

Free radicals such as tend to be very reactive.

Introduction to Chemistry

Molecules Moles Chemical Equations

Stoichiometry

Gases

The Periodic Table and Atomic Structure

Chemical Bonding and Molecular Structure

Molecules and Materials

Energy and Chemistry

Entropy and the Second Law of Thermodynamics

Chemical Kinetics

Chemical Equilibrium

Electrochemistry

Filters

The systematic (IUPAC) name of Sr(NO₂)₂ is:

Consider ²³⁵U. How many neutrons are present in this nuclide?

Consider the ²⁰³Hg. How many neutrons are present in this nuclide?

The systematic (IUPAC) name of NaClO₄ is:

CaCl₂ is an example of a(n):

CH₃ − O − CH₃ is an example of an alcohol