Periodicity gaps Flashcards
Why does sulpher deviate from the trend of first ionisation energies?
Repulsion between electrons in the same orbitol makes it easier to lose.
How are orbitols filled?
in order of increasing energy
First ionisation energy
the energy required to remove one electron from each atom in 1 mol of gaseous atoms. to form 1 mol of gaseous 1+ ions.
Reason for drop in ionisation energy between Mg and Al?
electron is removed from p orbitol which is higher in energy.
readon for drop in ionisation energy between phosphorus and sulphur?
two electrons in the same orbitol, these electrons will repel each other.
Metal + ethanoic acid
(CH3COO) M
Why do copper and chronium have a diff electron configuration?
The 4s² orbitol is at higher energy so it is more stable to fill the 3d subshell first.