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Chem 1115 Unit 3
OCCC Dr.Shore Unit 3 Flash Cards
54
Chemistry
Undergraduate 1
02/22/2012

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Cards

Term
What is a covalent bond?
Definition
a pair of electrons shared between two atoms
Term
What does the prefix mono mean?
Definition
1
Term
What does the prefix di mean?
Definition
2
Term
What does the prefix tri mean?
Definition
3
Term
What does the prefix tetra mean?
Definition
4
Term
What does the prefix penta mean?
Definition
5
Term
What does the prefix hexa mean?
Definition
6
Term
What does the prefix hepta mean?
Definition
7
Term
What does the prefix octa mean?
Definition
8
Term
What does the prefix nona mean?
Definition
9
Term
What does the prefix deca mean?
Definition
10
Term
How do you name binary covalent compounds?
Definition
use prefixes to indicate how many atoms of the element is present and never use mono for the first element.

give the full name of the first nonmetal.

name the second nonmetal by using the root of its name plus the ending ide.
Term
When is a compound an ion?
Definition
when the first element is a metal
Term
When is a compound a covalent bond?
Definition
When the first element is a nonmetal

except ammonium
Term
What is an acid?
Definition
a compound that releases H , protons, or H3O in water.
Term
What do acid formulas start with?
Definition
Hydrogen
Term
What is a monoprotic acid?
Definition
acids that can only produce one H in water
Term
What is a diprotic acid?
Definition
acids that can only produce two H in water
Term
What are binary acids?
Definition
they are acids containing H and one other element that is not oxygen
Term
How are binary acids named?
Definition
Hydro part or all of element name ic acid
Term
What are oxyacids
Definition
Acids that contain Oxygen
Term
In oxyacids ending with ate convert to what?
Definition
An ic ending
Term
In oxyacids ending with ite convert to what?
Definition
an ous ending
Term
What do we call H2O?
Definition
Water
Term
What do we call H2O2?
Definition
Hydrogen peroxide
Term
What do we call CH4?
Definition
Methane
Term
What do we call NH3?
Definition
Ammonia
Term
What is the formula for ethanol?
Definition
C2H5OH
Term
What is the formula for acetic acid?
Definition
HC2H3O2 (in vinegar)
Term
What is the formula for isopropyl alchohol(2-propanol)?
Definition
C3H7OH (Rubbing Alchohol)
Term
What is the formula for acetone?
Definition
C3H6O (nail polish remover)
Term
What does the number of valence electrons in the representative elements equal?
Definition
Group Number.
Term
What is the exception to the valence electron rule?
Definition
He
Term
What is the octet rule?
Definition
atoms tend to gain,lose,or share electrons in order to reach 8 electrons in there valence shell.
Term
What elements follow a duet rule rather then an octet rule?
Definition
He,H,Li, and Be
Term
What is the electron domain geometry?
Definition
The resulting arrangement of valence electrons that determines molecular geometry.
Term
What is it called when you have only two electron domain geometries?
Definition
Linear EDG
Term
What is it called when you have three electron domains?
Definition
Trigonal Planar EDG
Term
What is it called when you have 4 electron domains?
Definition
Tetrahedral
Term
What is it called when you have 5 electron domains?
Definition
Trigonal Bipyramidal
Term
What is it called when you have 6 electron domains?
Definition
Octahedral
Term
Double and triple bonds only count as one what?
Definition
Electron Domain
Term
What possible molecular domain geometries are possible for a linear EDG?
Definition
just one, linear
Term
What is the possible molecular geometries for a trigonal planar EDG?
Definition
2 trigonal planar bent models in notes!!!!

Term
What are the different molecular geometries for a tetrahedral EDG?
Definition
3 tetrahedral bent trigonal pyramidal models in notes!!!!
Term
What are the different molecular geometries for a trigonal bipyramidal EDG?
Definition
4 trigonal bypyramidal see-saw T-shaped linear MODELS IN NOTES!!!!
Term
What are the different molecular geometries for a octahedral EDG?
Definition
4 octahedral square pyramidal square planar T-shaped MODELS IN NOTES!!!!
Term
What electronegativity difference values represent a nonpolar bond?
Definition
0 to .3
Term
What electronegativity difference values represent a polar covalent bond?
Definition
0.3 to 1.7
Term
What electronegativity difference values represent an ionic bond?
Definition
greater than 1.7
Term
What elements do not make multiple bonds?
Definition
B,Be, and Al
Term
What is a polar molecule?
Definition
A molecule with a partially positive side and a partially negative side
Term
What is a non polar molecule?
Definition
A molecule that does not have opposite partial charges on different ends
Term
What is a dipole moment?
Definition
The sum of the effects of the bond dipoles
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