atomic structure Flashcards
1
Q
the principle quantum number of an element corresponds to its __ in the periodic table
A
period number
2
Q
definition of electronic configuration
A
the arrangement of electrons in various orbitals around the nuclei of atoms
3
Q
electrons always occupy the orbitals of ___ first
A
lowest energy level
4
Q
definition of ionisation energy
A
the energy required to remove 1 mole of electrons from 1 mole of its gaseous atom/ion in the ground state
measure of how easily an atom/ion can lose an electron
5
Q
chemical equation for ionisation energies
A
X (g) → X+ (g) + e-
X+ (g) → X2+ (g) + e-
X2+ (g) → X3+ (g) + e-
6
Q
A
7
Q
A
