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29 Cards in this Set

  • Front
  • Back
3 things that elements in the same group have in common
Chemical properties
Valence electrons
Electron Config.
Nonmetals
Poor conductors
All three states (S, L, G)
Brittle Solids
Metals
Good Conductors
Solids
Malleable
Ductile
Metalloids
Semi-conductors
Brittle Solids
Smallest class
Dalton
Atomic theory
Mendeleev
1st Periodic table
Rutherford
Nucleus
Chadwick
Neutron
Heisenberg
Uncertainty Principle
Moseley
Modern Periodic Table
Thomson
Electron
Bohr
Planetary Model
Rutherford's Experiment
Shot positivly-charged particles at a gold foil (Most went through, some bounced back)
1. Atom is mostly empty
2. There is a positivly-charged nucleus at the center of the atom
Ionization Energy
energy to remove an electron
Right - Increases
Down - Decreases
Electronegativity
Ability to attract electrons
Right - Increases
Down - Decreases
Atomic Radius
Size of atom
Right - decreases
Down - increases
Characteristics of Ionic Compounds
Metal + Nonmetal
Water soluble
Solid
Good conductor
Characteristics of Molecular Compounds
2 Nonmetals
Variable Solubility
All states
Poor conductors
How do Cations form?
Electron loss
How do Anions form?
Electron gain
Ionic bond formation
Electron transfer (Metal to nonmetal)
Covalent bond formation
Electron sharing (Two nonmetals)
Chlorous acid
Hydrosulfuric acid
Hydrocyanic acid
Nitrous acid
Nitric acid
HClO
H(2)S
HCN
HNO(2)
HNO(3)
Shapes
Trigonal Pyramid
Linear
Bent
Trigonal Planar
Nonpolar
No dots on the middle element
Polar
Dots on the middle element
Resonance
More than one valid structure for a molecule (Oxygen)
Intermolecular forces from weakest to strongest
Dispersion < Dipole < Hydrogen bonding
Precipitate
Solid formed in a reaction