Planetary Model
Neils Bohr
Valence Shell Electrons
Electrons on the outermost shell of an atom
A special kind of energy that travels in waves through space.
EMR or Electromagnetic Radiation
what are charged particles called?
ions
Shapes of molecules depends on these factors
Atoms forming bonds, bond distance, bond angles
Electron Cloud aka Wave Model aka Quantum Model
Schrodinger
Atomic Mass is comprised of
protons and neutrons
A type of EMR used for broadcasting music, news, and other information.
Radio Waves
what are positive ions called
cations
Predicts the geometric shapes of molecules
VESPR or Valence Shell Electron Pair Repulsion Theory
Plum Pudding Model
JJ Thomson
Atomic Number is comprised of
protons
A type of EMR used for communication, such as cell phones and Wi-Fi.
Microwaves
what are negative ions called?
anions
VESPR revolves around this principle
electrons repel each other
Nuclear Model
Rutherford
Atoms want to have 8 electrons in their valence shell
Octet Rule
A type of electromagnetic radiation that allows us to see the world around us.
Visible Light
This is a compound composed of a monatomic metal cation and a monatomic nonmetal anion.
binary ionic compound
These are the electrons shared in covalent bonds
bonding electrons
invisible spheres
Democritus
Is a way to depict the valence electrons of an atom
Lewis Dot structures
A type of EMR from the sun and is responsible for causing sunburns.
UV or ultraviolet radiation
This is a compound made up of 3 elements
Ternary Ionic Compound
The central atom in a molecule
steric center