Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
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
|
