1 - Atomic Structure Flashcards
Symbol for proton
+1e or +1
What subatomic particles are in the nucleus?
Protons, neutrons
What charge does a neutron have?
No charge
What is the mass of a proton?
1 amu (atomic mass unit)
Atomic number symbol & where is it found in isotope nomenclature?
Z, bottom left
How do you denote electrons?
-1e or -1
Mass number symbol & where is it found in isotope nomenclature?
A, top left
Isotope definition
Atoms that share atomic number (same element) but different mass numbers (due to different number of neutrons)
Atomic mass vs atomic weight
Mass - unique mass for each isotope
Weight - average of the different isotopes (periodic table)
Planck relation equation
E = hf
h = Planck’s constant
f = frequency
Angular momentum equation
L = nh/2pi
Energy of electron equation
E = -RH/n2
Rydberg unit of energy (constant)
2.18 x 10-18 J/electron
Bohr model (what does it look like?)
Nucleus in center, with rings (orbitals) around it
Electromagnetic energy of photons equation
E = hc/λ