Elements The transition elements (d block) and inner transition elements (f block) in the periodic table

Elements

The transition elements (d block) and inner transition elements (f block) in the periodic table.

Figure 23.1

The Period 4 transition metals.

Horizontal trends in key atomic properties of the Period 4 elements.

Vertical trends in key properties within the transition elements.

Aqueous oxoanions of transition elements.

Mn2+

MnO42−

MnO4−

VO43−

Cr2O72−

MnO4−

One of the most characteristic chemical properties of these elements is the occurrence of multiple oxidation states.

Colors of representative compounds of the Period 4 transition metals.

Titanium(IV) oxide

sodium chromate

potassium ferricyanide

nickel(II) nitrate hexahydrate

zinc sulfate heptahydrate

scandium oxide

vanadyl sulfate dihydrate

manganese(II) chloride tetrahydrate

cobalt(II) chloride hexahydrate

copper(II) sulfate pentahydrate

Steps in producing a black-and-white negative.

Hybrid orbitals and bonding in the octahedral [Cr(NH3)6]3+ ion.

Hybrid orbitals and bonding in the square planar [Ni(CN)4]2- ion.

The tetrahedral Zn2+ complex in carbonic anhydrase.