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Organic Chemistry Chapter 1 Exam Questions with 100% Correct Answers
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Valence Shell - ANSWER: outermost electron shell Valence Electrons - ANSWER: electrons on the outermost energy level of an atom Valence electrons on the periodic table - ANSWER: The number of valence electrons in an A group of the periodic table = its group number Octet Rule Theory - ANSWE...

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  • October 18, 2024
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  • 2024/2025
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  • Questions & answers

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Organic Chemistry Chapter 1 Exam
Questions with 100% Correct Answers
Valence Shell - ANSWER: outermost electron shell



Valence Electrons - ANSWER: electrons on the outermost energy level of an atom



Valence electrons on the periodic table - ANSWER: The number of valence electrons in
an A group of the periodic table = its group number



Octet Rule Theory - ANSWER: Atoms lose, gain, or share electrons to have a full eight
valence electrons to reach noble gas configuration



Chemical Bond - ANSWER: The force that holds atoms together within molecules



Ionic compound - ANSWER: a compound that consists of positive and negative ions



Electrostatic attraction - ANSWER: A stabilizing interaction between opposite charges



Ionic Bond - ANSWER: The electrostatic attraction that binds oppositely charged ions
together through transfer of electrons



Covalent Bond - ANSWER: A chemical bond formed when two atoms share electrons



Lewis Structures - ANSWER: Molecular structures represented by dots and - bonds



Lone pairs (Unshared pairs) - ANSWER: Pairs of valence electrons that are not shared
between atoms

, Octet Rule - ANSWER: The sum of all shared and unshared valence electrons around
each atom in many stable covalent compounds is eight



Double bond - ANSWER: a covalent bond in which two pairs of electrons are shared
between two atoms



Triple bond - ANSWER: a covalent bond in which three pairs of electrons are shared
between two atoms



Formal charge - ANSWER: A positive or negative charge on an individual atom. # of
valence electrons - ( # dots + # lines)



Steps to formal charge - ANSWER: 1. Group number = # of valence electrons in the
neutral atom

2. Valence electron count for the atom (unshared V e-'s + covalent bonds)

3. Valence electron count - group number



Polar bond - ANSWER: a covalent bond between atoms in which the electrons are
shared unequally



Electronegativity - ANSWER: The ability of an atom to attract electrons when the atom
is in a compound



High electronegativity - ANSWER: Top right, the atom attracts more electrons



Low electronegativity (electropositive) - ANSWER: Bottom left, the atom attracts less
electrons



Polar molecules - ANSWER: Molecules that have negative and positive ends (Ex. HCl)



Non-polar Molecules - ANSWER: Molecules that have no charged poles. No dipole
movement. (Ex. H)

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