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Chemistry
Midterm
44
Chemistry
11th Grade
01/16/2008

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Term
Unsaturated Solution
Definition
Contains less that the saturated amount of solute at a give time
Term
Saturated Solution
Definition
Contatins maximum amount of solute in a given aount of solvent at a give time
Term
Supersatured Solution
Definition
Unstable. Contains more solute than a saturated solution can normally hold at the same time
Term
Mixture
Definition
Matter containing 2 or more different materials. Homo or Heterogenoues
Term
Phase
Definition
A physicallaly seperate part of a material having uniform properties
Term
Interfaces
Definition
Boundaries separating different phases
Term
Heterogenous Mixture
Definition
Composed of more than one phase
Term
Two homogenouse substances cassafies as substances
Definition
Elements and compounds
Term
Solute
Definition
The dissolved material in a solution
Term
Molarity
Definition
Unit of concentration in decribeing a solution
Term
Things that define Matter
Definition
Mass and Inertia
Term
Value Judgement
Definition
A decision made by using personal standards
Term
Observable Fact
Definition
An observation that can be substatniated by you or others
Term
Law of Conservation of Mass
Definition
Matter is neither created nor destroyed it only changes form
Term
Types of energy and what they can do
Definition
Kinetic and Potential: they can work
Term
Density Equation
Definition
D= m/v
Term
Density of cotton or rock candy
Definition
cotton is less dense than rock candy
Term
Tyndall Effect
Definition
partical size test of homo and heterogeneous mixtures. Light passing through can go through a suspension and colliod but not solution
Term
Two phases of a colliod
Definition
Dispersed and Conintuous
Term
Number of significant digits in answer
Definition
least number present
Term
Equation for heat
Definition
q= (m)(Delta T)(Cp) units in Joules
Term
How heat is transferred
Definition
Hot to Cold
Term
Physical Properties
Definition
Ductility Expansion
Term
Temperature
Definition
The measure of the average kinetic energy of the particles
Term
Negligible Mass
Definition
What the electron contribute to the atom
Term
Isotopes
Definition
The same proptons but different nuetrons
Term
12C
Definition
The standard for atomic madd values on the periodic table
Term
Quantum number "n"
Definition
energy
Term
Quantum number "l"
Definition
Shape and sublevels
Term
Quantum "m"
Definition
Direction of spin
Term
Charachteristics in a family
Definition
Same outer electron configuration
Term
Type of compounds are
Definition
Molecular
Term
Ionic
Definition
If a metal is present in a compund
Term
Binary Compounds
Definition
Two elements present
Term
Empirical Formula
Definition
Reduced chemcial equation
Term
Similarties in Periods
Definition
Outer electrons filling same prinicpal quantum number
Term
Metallic Charachter
Definition
When moving across table from left to right metallic charachter decreases
Term
Chemistry
Definition
The study of the structure and properties of matter
Term
Last Row configurations
Definition
last full line
Term
Valance electron configuration
Definition
The last s and p's
Term
Pauli Exculsion Principal
Definition
No two electrons in an atom can have the same set of four quantum numbers hence the need for a speed number
Term
What the electron configuratoin determines
Definition
The properties and position in the periodic table
Term
The wave mechanical view of the atom
Definition
Give the probability of finding an electron in a colume represented in a s p or d orbital
Term
Observation of a Chemcial reaction
Definition
Formation of gas change in color, foramtion of precipitates, fire or explosion
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