Transition metals Flashcards
1
Q
physical properties of transition metals
A
high density
high mp and bp
similar ionic radii
2
Q
exceptions to the 4S sub shell filling up first
A
24 chromium 3d 5 4s1
29 copper 3d10 4s1
3
Q
complex ion
A
a central metal ion surrounded by coordinately bonded ligands
4
Q
coordinate bond
A
when the shared pair of electrons in cov bond come from only 1 of the bonding atoms
5
Q
ligand
A
an atom ion or molecule which can donate a lone electron pair
6
Q
co ordination number
A
the number of coordinate bonds formed to the central metal ion
7
Q
chemical properties of transition metals due to incomplete D sub shell
A
FORM COMPLEX IONS
FORM COLOURED IONS
GOOD CATALYSTS
exist in VARIABLE OXIDATION STATES
