Font size
WorksheetsPhysical Properties of Transition Elements
Total questions: 12
Worksheet time: 15mins
1. The electron configuration of iron in FeO42- ion is
1s2 2s2 2p6 3s2 3p6 3d2
1s2 2s2 2p6 3s2 3p6 3d6
1s2 2s2 2p6 3s2 3p6 3d5 4s1
1s2 2s2 2p6 3s2 3p6 4s2
Which statement is true about transition elements, vanadium to copper, in the Periodic Table?
The atomic size decreases.
The 4s orbital is fully-filled.
The most stable oxidation state is +2.
The first ionization energies are almost similar
In general, block-d elements(scandium to zinc) have high melting points. Which statement can best explain this physical property?
The screening effect is high.
The structure is close-packed.
The ionization energy is high.
The metallic bonding involves 3d and 4s electrons
Titanium and calcium are in the same period in the Periodic Table. Which property of titanium is lower or smaller than that of calcium?
Density
Atomic size
Melting point
Electrical conductivity
Which of the following d-block elements has the largest number of unpaired electrons?
Titanium
Manganese
Chromium
Copper
An element Z forms Z2+ ion with the configuration of [Ar]3d8. If the relative atomic mass of Z is given by the expression of 2x + 3, where x is the proton number of Z, what is the number of neutrons in the nucleus of Z?
26
28
29
31
The third ionisation energy of iron is lower than manganese because
the Fe2+ has a stable d5 configuration.
the Mn2+ ion has a stable d5 configuration.
all the 3d sub-shells in iron is fully filled.
iron is more reactive than manganese.
The melting and boiling point of manganese is the lowest among the first row of d-block elements because
Manganese is a metalloid.
Manganese has a fully-filled 3d sub-shell
The intermolecular forces are the weak van der Waals forces
Manganese is a non-metal
Write the electronic configuration for Cr3+.
(a)
Transition elements is (a)
Calcium and iron are located in the same period.
However, calcium has (a) size than iron.
Which of the following properties of transition elements changes gradually from titanium to copper?
First ionisation energy
Atomic size
Melting point
Electrical conductivity
Third ionisation energy
