Atomic Structure Flashcards
Relative mass of an electron
1/1840
Relative atomic mass
Average mass of one atom relative to 1/12 the mass of one atom of carbon 12
Relative molecular mass
Average mass of a molecule relative to 1/12 of mass of one atom of carbon 12
Relative isotopic mass
Mass of an isotope relative to 1/12 mass of carbon 12
M/z is
Mass to charge ratio
Relative atomic mass equation
Isotopic mass x % or relative abundance divided by 100
What is mass to charge ratio
Ratio of the relative mass of an ion to its charge
What is ionisation energy
The energy needed to remove one mole of electrons from one mole of gaseous atoms of an element
What is electron configuration
The number and arrangement of electrons in an atom of the element
Ionic radius from large to small of ca2+ br- cl- and k+
Ca2+ k+ cl- br-
What effects ionic radius
Number of protons and electrons
Number of quantum shells
Shielding
Electrostatic attraction
Energy of outer electrons