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Hydrocarbons
Unit 3 Section A
44
Chemistry
10th Grade
05/28/2009

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Term
Hydrocarbon boiling points (increase, or decrease) as the number of carbon atoms per molecule ( increase, or decrease
Definition
Increase, Increase
Term
CH4 =
Definition
Methane
Term
A covalent bond forms when a pair of electrons are _________ by two atoms
Definition
Shared
Term
________ are different compounds that have molecules with the same molecular formula but different structural formulas
Definition
Isomers
Term
What is the formula for an alkane with sixteen carbons
Definition
C16H34
Term
Hydrocarbons are compounds that contain what atoms
Definition
Hydrogen and Carbon
Term
Structural isomers have the same ______ ________
Definition
Molecular Formula
Term
Which compound has the lowest boiling point
Definition
Ethane
Term
Estimate the average boiling points in C when you have 5 carbon hydrocarbon
Definition
36.1
Term
What is the name of CH4
Definition
Methane
Term
What is the name of C9H20
Definition
Nonane
Term
How many carbons are found in a nonane compound
Definition
9
Term
What is the condensed formula for Octane?
Definition
CH3 CH2 CH2 CH2 CH2 CH2 CH2 CH3
Term
How many carbons are found in a hexane compound
Definition
6
Term
What is the condensed formula for Pentane
Definition
CH3 CH2 CH2 CH2 CH3
Term
All organic compounds contain the element of
Definition
Carbon
Term
Which formula is the general formula for an alkane
Definition
Cn H2n+2
Term
The minimum number of carbons necessary to form more than 1 structural arrangement
Definition
4
Term
How many isomers are possible for C3 H8
Definition
1
Term
Which formula is the general formula for an eight carbon alkane
Definition
C8H18
Term
What is the molecular formula for Octane
Definition
C8H18
Term
Carbon has how many valence electrons
Definition
4
Term
Organic chemistry is the study of
Definition
Hydrocarbons and their derivatives
Term
Group 3A has how many valence electrons
Definition
3
Term
Group _ has all of its outer shells filled and is considered stable
Definition
8
Term
Hydrogen has _ valence electrons
Definition
1
Term
VSEPR =
Definition
Valence Shell Electron Pair Repulsion Theory
Term
Electrons have a _________ charge
Definition
Negative
Term
In the ball-and-stick method the curved stick
Definition
connects multiple bonds between elements
Term
5 most common shapes:
Definition
Linear, Trigonal, Tetrahedral, Pyramidal, Bent
Term
If a molecule has 2 bonding groups and 2 unbonded pair Its shape will be
Definition
Bent
Term
Methane is an example of what shape
Definition
Tetrahedral
Term
Water is an example of a _______ shape
Definition
Bent
Term
If a molecule has 3 bonding groups and no unbonded pair its shape will be
Definition
Trigonal
Term
The molecular structure for carbon dioxide is
Definition
CO2
Term
Carbon dioxide is an example of a
Definition
Trigonal Planar
Term
The molecular structure for ozone is
Definition
O3
Term
The angle between a pair bonded electrons in a bent geometry shape is
Definition
105 degrees
Term
Ozone is an example of a
Definition
Trigonal Planar
Term
Chemists can create hydrocarbons without any living thing contributing (true or flase)
Definition
True
Term
The molar mass of carbon is
Definition
12
Term
The backbone of hydrocarbons is
Definition
Carbon
Term
The molar mass of methane is
Definition
16
Term
The molar mass of hydrogen is
Definition
1
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