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Week 5

Introductory Chemistry

invovles the sharing or transfer of electrons to attain stable electron configurations for the bonding atoms What is a chemical Bond?
the number of protons an atom posses controls the size of the positive charge in the nucleus What is attractive force
electrons exert a force on one another What is the force of repulsion
down a column Atomic raduis increases with
from left to right atomic radius decreases
Group 1A and VII are opposite affect on chemical reactivity
the electons transferred What happens during an Ionic Bond
When the electrons are shared What happens during a covelant Bond
When two electrons paris are shared between two atoms What is a double Bond
Are shorter and stronger than double bonds What is a Triple Bond
the product of different types of valence electron interaction What are chemical Bonds between atoms and ions
ionic species with a positive charge. what is a cation
atom or group of atoms carrying a negative charge. The charge results because there are more electrons than protons in the anion. what is an anion
set of quantum numbers associated with the energy states of the atom what is the principle quantum number
Within each energy level there are n subshells, described by the azimuthal quantum number l. l can have a value from 0 to (n-1). The value of l determines the shape of the subshell that the atom is in. what are the subshells
Describe the probable location of an electron what are quantum numbers
hat atoms tend to gain, lose or share electrons so as to have eight electrons in their outer electron shell. What is the octlet Rule
every orbital in a subshell is singly occupied with one electron before any one orbital is doubly occupied, and all electrons in singly occupied orbitals have the same spin What is the Hunds Rule
forces that act between stable molecules or between functional groups of macromolecules. What is intermolecular force of Attraction
as you move across a period or row to the right Ionic Energy Increases
As you move down a column Ionic Energy Decreases
As you move across a period or a row to the right Metallic Charecter Decreases
As you move down a collumn or a family Metallic Charecter Increases
Involve the shareing of Single pair of electrons Single Bonds
Involve the sharing of two pair of electrons Double Bonds
Involve the sharing of three pair of electrons Triple Bonds
the measure of the ability of an atom within a molecule to attract bonding electrons Electrongativity
Rapidly as you move up the periodic table Electronegrativity increases
slowly as you move from left to right across a row Electronegativity generally Decreases
where the bonding electron pair has a higher probability of being found near one atom than the other polar covelant bonds are
Created by: jadenite