Shared Flashcard Set

Details

Jasper Chemistry Fall Exam Review
N/A
56
Chemistry
10th Grade
12/15/2010

Additional Chemistry Flashcards

 


 

Cards

Term
Law of Multiple Proportions
Definition
Same elements can combine in different ratios to form different compounds
Term
Law of Definite Proportions
Definition
Need same proportions of mass to form the same compound
Term
Volumetric pipette and volumetric flask
Definition
Most precise for one specific amount
Term
Graduated pipette and cylinder
Definition
Best for all purposes (many markings)
Term
% error
Definition
(Average value - accepted value)/Accepted value x 100
Term
Sig fig criteria
Definition
Recorded numbers,
Non-zeroes
Middle zeroes
Trailing zeroes to right of decimal
Scientific notation numbers
Term
Non-sig fig criteria
Definition
Leading zeroes
Trailing zeroes to left of decimal
Term
Base units
Definition
Time - seconds
Length - meters
Mass - kilograms
Temperature - Kelvin
Term
How to graph density
Definition
Y axis = volume, x axis = mass
Term
Democritus
Definition
Billiard ball model
Atom - smallest unit, can't be split up, solid, homogenous, indestructible, cannot be created
Term
Aristotle
Definition
Discredited Democritus with theory of 4 elements
Term
Dalton
Definition
Redid Democritus' ideas
Term
Thomson
Definition
Discovered electrons with negatively charged light + magnets
Plum pudding model
Term
Rutherford
Definition
Discovered nuclei with gold foil experiment
Term
Bohr
Definition
Electrons orbit nucleus
Bohr model
Term
Chadwick
Definition
Discovered neutrons
Neutral charge, same mass as protons
Term
Becquerel
Definition
Discovered radioactivity
Term
Currie
Definition
Radiation, nuclear medicine
Term
Weighted average
Definition
Abundance % x isotopic atomic mass, add
Term
Quanta
Definition
Whole numbers mass gains/loses energy in
Term
Ground state
Definition
Electrons are at lowest possible energy level
Term
Schrodinger
Definition
Invented Quantum Mechanical Model of the atom
Term
Quantum numbers
Definition
1 - Energy levels
2 - Orbital shape
3 - Magnetic orientation
4 - Spin
Term
Aufbau Principle
Definition
Electrons fill lowest energy levels first
Term
Pauli Exclusion Principle
Definition
2 electrons of opposite spin per orbital
Term
Hund's Rule
Definition
Parallel spins in each orbital before pairing up
Term
Electron configuration exceptions
Definition
Copper, silver, chromium
D half filled before filling s
Term
Atomic radius
Definition
Decreases left to right
Increases top to bottom
Term
Ionic radius
Definition
Decreases left to right based on whether anion/cation
Increases top to bottom
Term
Electronegativity
Definition
Increases left to right
Decreases top to bottom
Term
Ionization energy
Definition
Increases left to right
Decreases top to bottom
Term
Metallic properties
Definition
Further left = more metallic
Term
Lavoisier
Definition
Listed 23 elements
Term
Newlands
Definition
Elements by atomic mass
Law of Octaves
Term
Mendeleev
Definition
Periodic table by mass
Predicted unknowns
Term
Meyer
Definition
Same as Mendeleev
Term
Mosely
Definition
Arranged by atomic number
Term
Representatives metals
Definition
A groups
Term
Transition metals
Definition
B groups
Term
Metallic bonding
Definition
Delocalized electrons
Sea of electrons
Electrostatic attraction
Term
Metal conductivity
Definition
Heat speeds up Sea of Electrons
Term
Malleability
Definition
Metal atoms slide past each other
Term
Molar mass
Definition
Ratio of atoms in an alloy
Ratio x molar mass = amount
Term
Crystal lattice structure
Definition
Form of ionic bonds
Term
Formula unit
Definition
Ionic bonding unit
Term
Electrostatic attraction
Definition
Creates ionic bonds
Term
Van der Waals forces
Definition
Weak intermolecular attraction
Term
Molecule
Definition
Measurement of covalent compounds
Term
Resonance structures
Definition
Can have different covalent compound setups
Term
Covalent bond strength and length
Definition
Determined by number of bonds
More bonds = shorter and stronger
Term
Expanded octet
Definition
Atoms that want more than 8 valence
S, P, Ar, Te, Xe
Term
Oxyacids
Definition
Acids with oxyanion + hydrogen
Term
Oxyanion
Definition
Polyatomic with oxygen
Term
Spectator ions
Definition
Do not participate in reactions because they are aqueous
Term
Net ionic equations
Definition
Precipitates only
Term
Total ionic equations
Definition
Precipitates + aqueous
Supporting users have an ad free experience!