Test Bank for Organic Chemistry All
Chapters 1-31
A positively charged particle formed by loss of one or more electrons from an atom is
called a(an) - answers cation
A small negatively charged particle formed when an atom gains one or more electrons
is called a(an) - answers anion
When an atom donates an electron, that electron - answers is acquired by another atom
which becomes an anion
One characteristic of a cation is that - answers it has more protons than electrons.
Which of the following ions does not have the same electron configuration as the noble
gas neon? - answers S-2
What is the most likely charge on an ion formed by an element with a valence electron
configuration of ns2np4? - answers 2-
What is the most likely charge on an ion formed by an element with a valence electron
configuration of ns1? - answers 1+
What is the most likely charge on an ion formed by an element with a valence electron
configuration of ns2np5? - answers 1-
What is the most likely charge on an ion formed by an element with a valence electron
configuration of ns2np1? - answers 3+
What is the valence shell electron configuration of the ion formed from an atom of the
halogen family? - answers ns2 np6
Main group elements that are metals usually ________ one or more electrons to form
________, which have a ________ charge. - answers lose; cations; positive
Main group elements that are non-metals usually ________ one or more electrons to
form ________, which have a ________ charge. - answers gain; anions; negative
An atom with three valence electrons will most likely ________ to attain an octet of
valence electrons. - answers lose three electrons
Which element will form an ion with the greatest positive charge?
A) Al
B) Na
, C) Mg
D) Sr
E) P - answers Al
In order to form an octet, an atom of selenium will - answers gain 2 electrons.
The charge on a sulfide ion is - answers 2-.
Which of the following elements is most likely to form an ion with a +2 charge? -
answers Mg
An element belonging to the halogen family would be expected to have a ________
ionization energy and a ________ electron affinity. - answers large; large
An element belonging to the alkaline earth family would be expected to have a
________ ionization energy and a ________ electron affinity. - answers small; small
The property that describes the ease with which an atom gives up an electron to form a
positive ion is - answers ionization energy.
The property defined as the energy released on adding an electron to an isolated gas
phase atom is - answers electron affinity.
Which of the following has the largest ionization energy?
A) Ne
B) Br
C) P
D) Al
E) Ca - answers A) Ne
The property defined as the energy required to remove one electron from an atom in the
gaseous state is - answers ionization energy.
Which of the following elements is most likely to form an ion with a -2 charge?
A) Mg
B) Si
C) S
D) K
E) Ti - answers S
Which of the following elements is most likely to form an ion with a -1 charge?
A) Mg
B) Si
C) S
D) Cl
E) Sc - answers Cl
Chapters 1-31
A positively charged particle formed by loss of one or more electrons from an atom is
called a(an) - answers cation
A small negatively charged particle formed when an atom gains one or more electrons
is called a(an) - answers anion
When an atom donates an electron, that electron - answers is acquired by another atom
which becomes an anion
One characteristic of a cation is that - answers it has more protons than electrons.
Which of the following ions does not have the same electron configuration as the noble
gas neon? - answers S-2
What is the most likely charge on an ion formed by an element with a valence electron
configuration of ns2np4? - answers 2-
What is the most likely charge on an ion formed by an element with a valence electron
configuration of ns1? - answers 1+
What is the most likely charge on an ion formed by an element with a valence electron
configuration of ns2np5? - answers 1-
What is the most likely charge on an ion formed by an element with a valence electron
configuration of ns2np1? - answers 3+
What is the valence shell electron configuration of the ion formed from an atom of the
halogen family? - answers ns2 np6
Main group elements that are metals usually ________ one or more electrons to form
________, which have a ________ charge. - answers lose; cations; positive
Main group elements that are non-metals usually ________ one or more electrons to
form ________, which have a ________ charge. - answers gain; anions; negative
An atom with three valence electrons will most likely ________ to attain an octet of
valence electrons. - answers lose three electrons
Which element will form an ion with the greatest positive charge?
A) Al
B) Na
, C) Mg
D) Sr
E) P - answers Al
In order to form an octet, an atom of selenium will - answers gain 2 electrons.
The charge on a sulfide ion is - answers 2-.
Which of the following elements is most likely to form an ion with a +2 charge? -
answers Mg
An element belonging to the halogen family would be expected to have a ________
ionization energy and a ________ electron affinity. - answers large; large
An element belonging to the alkaline earth family would be expected to have a
________ ionization energy and a ________ electron affinity. - answers small; small
The property that describes the ease with which an atom gives up an electron to form a
positive ion is - answers ionization energy.
The property defined as the energy released on adding an electron to an isolated gas
phase atom is - answers electron affinity.
Which of the following has the largest ionization energy?
A) Ne
B) Br
C) P
D) Al
E) Ca - answers A) Ne
The property defined as the energy required to remove one electron from an atom in the
gaseous state is - answers ionization energy.
Which of the following elements is most likely to form an ion with a -2 charge?
A) Mg
B) Si
C) S
D) K
E) Ti - answers S
Which of the following elements is most likely to form an ion with a -1 charge?
A) Mg
B) Si
C) S
D) Cl
E) Sc - answers Cl
