Anions Flashcards
(66 cards)
Which is always larger? Cations or Anions
Anions
What happens to the ion when the negative charge increases?
It gets bigger
What happens to the ion when the positive charge increases?
It gets smaller
What did Rutherford do?
Gold foil test to develop a new model of the atom. a dense positively charged nucleus
What did Millikan do?
Oil drop experiment to find the mass of an electron
What did JJ Thomson do?
Plum Pudding Model of the atom
What did John Dalton do?
Discovered the atom, element identity is determined by the protons, compound come from elements combining
Superscript is the
Mass
Sub script is the
atomic number
average atomic mass formula
%(mass 1) +%(mass 2) (etc) % in decimal form
What did Dmitri Mendeleev do
Modern Periodic table
what did the gold foil test prove
Proved nucleus existed and that atoms contain protons and electrons
energy formula
E=hv
Planck’s Constant
6.63E-34
Bohr Model
Nucleus is Positive surrounded by negative electrons in orbitals
What is the wave equation for
giving us a probable idea of where an electron is at a time
what are the four orbital types
s,p,d,f
The s orbital
can hold two electrons
The p orbitals
Come in sets of three so six electrons. have figure 8 with regions on XYZ
The d orbitals
Come in sets of 5 so 10 electron. 4 leaf clover type structure with an extra
f orbitals
come in a set of 7 don’t need to know the labeling start in the 4th shell and forward
what are the quantum numbers
n,l,ml,ms
Quantum number n
designate the energy level 1-7 this is the floor of a hotel
Quantum number l
s,p,d,f must be a 0,1,2,3 this is the roomtype
