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Portage Chemistry 219 with 100% correct answers

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The lone pairs in a LDD are equal to: The 2 dots The unpaired electrons are equal to: The 1 dot 0:02 / 0:30 What is the number of bonds an atom can form, equal to? Their unpaired electrons Find the lone pair, the unpaired electrons and the bonds of Oxygen. 2, 2, 2 ...

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  • September 13, 2024
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  • 2024/2025
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  • Chem&219
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Portage Chemistry 219 with
100% correct answers
The lone pairs in a LDD are equal to: - answer The 2 dots


The unpaired electrons are equal to: - answer The 1 dot


What is the number of bonds an atom can form, equal to? - answer
Their unpaired electrons


Find the lone pair, the unpaired electrons and the bonds of Oxygen.
- answer 2, 2, 2


What is organic chemistry? - answer The study of compounds that
contain carbon


What is catenation? - answer The ability to form bonds between
atoms of the same element. Carbon is very good at this.


What is the valence of an atom? - answer The number of bonds an
atom will form to fill its valence (outermost) shell.


For main group elements, the valence shell is composed of how
many electrons? - answer 8


Which atom doesn't follow the octet rule? - answer H, it needs 2 to
fill its valence electrons

, The group number indicates? - answer number of valence electrons


Find the lone pair, the unpaired electrons and the bonds of Carbon. -
answer 0, 4, 4


The atom that loses electrons and becomes positively charged is? -
answer Cation


The atom that gains the electrons and become negatively charged
is? - answer Anion


What chemical species possesses a non-zero charge? - answer Ion


Ionic bonds are formed by? - answer The complete transfer of one or
more valence electrons from one atom to another.


Covalent bonds are formed by? - answer The sharing of electrons
between elements with little or no difference in their
electronegativity.


A diatomic element is: - answer An element who is more stable
when bonded to another. Like hydrogen


What are the two characteristics of covalent bonds? - answer The
bond strength, how much energy it takes, and length, unit of
distance that describes the perfect balance.


What is a purely covalent bond? - answer A covalent bond that
forms between two atoms of identical electronegativity values.

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