Portage Chemistry 219 EXAM comprehensive
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Terms in this set (48)
The lone pairs in a LDD The 2 dots
are equal to:
The unpaired electrons The 1 dot
are equal to:
What is the number of Their unpaired electrons
bonds an atom can form,
equal to?
Find the lone pair, the 2, 2, 2
unpaired electrons and
the bonds of Oxygen.
What is organic The study of compounds that contain carbon
chemistry?
The ability to form bonds between atoms of the same
What is catenation?
element. Carbon is very good at this.
What is the valence of an The number of bonds an atom will form to fill its
atom? valence (outermost) shell.
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, 9/29/25, 1:09 PM Portage Chemistry 219 EXAM comprehensive questions and verified answers ACTUAL EXAM 2025 TEST!! Graded A+ | 2025|2026…
For main group elements, 8
the valence shell is
composed of how many
electrons?
Which atom doesn't follow H, it needs 2 to fill its valence electrons
the octet rule?
The group number number of valence electrons
indicates?
Find the lone pair, the 0, 4, 4
unpaired electrons and
the bonds of Carbon.
The atom that loses Cation
electrons and becomes
positively charged is?
The atom that gains the Anion
electrons and become
negatively charged is?
What chemical species Ion
possesses a non-zero
charge?
Ionic bonds are formed The complete transfer of one or more valence
by? electrons from one atom to another.
Covalent bonds are The sharing of electrons between elements with little
formed by? or no difference in their electronegativity.
An element who is more stable when bonded to
A diatomic element is:
another. Like hydrogen
What are the two The bond strength, how much energy it takes, and
characteristics of covalent length, unit of distance that describes the perfect
bonds? balance.
What is a purely covalent A covalent bond that forms between two atoms of
bond? identical electronegativity values.
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