Worksheetsd-Block Elements
Total questions: 45
Worksheet time: 23mins
Name
Class
Date
1.
What are typical oxidation state for Sc?
a)
-3
b)
+3
c)
-1
d)
+1
2.
What are typical oxidation state for Mn?
a)
+2
b)
+4
c)
+6
d)
+7
3.
Electron configuration for Sc is [Ar]4s13d1
a)
Right
b)
Wrong
4.
Electron configuration for Ti is [Ar]4s13d5.
a)
Right
b)
Wrong
5.
Electron configuration for Sc is [Ar]4s13d10?
a)
Right
b)
Wrong
6.
Diamagnetism is shown when electrons are spin-paired
a)
Right
b)
Wrong
7.
Diamagnetism is permanent form of magnetism.
a)
Right
b)
Wrong
8.
Transition metals are good ligands.
a)
Right
b)
Wrong
9.
What is the coordination number?
[Fe(H2O)6 ]Cl2
a)
1
b)
2
c)
4
d)
6
10.
d-block elements loses first elecrton(s) from...
a)
3p
b)
3s
c)
3d
d)
4s
11.
First ionisation energies are approximately the same in the d-block
a)
Right
b)
Wrong
12.
During the weekend I'm going to...
a)
do sports
b)
watch tv or Netflix
c)
study
d)
relax
e)
I prefer not to answer
13.
I find understanding properties of the d-block elements hard.
a)
Yes
b)
No
c)
Maybe little
d)
I have no idea what is a d-block element
14.
Electron configuration for Cu is [Ar]4s13d7?
a)
Right
b)
Wrong
15.
What are typical oxidation state for Fe?
a)
+1
b)
+2
c)
+3
d)
+4
16.
One metal that is liquid at room temperature is
a)
magnesium
b)
manganese
c)
mercury
d)
sodium
17.
Which is a chemical property of metals
a)
Thermal conductivity
b)
Corrosion
c)
Electrical Conductivity
d)
Magnetism
18.
If red/orange region is absorbed, what is the color that we see. Refer to color wheel
a)
Red
b)
Orange
c)
Blue
d)
Yellow
19.
If violet region is absorbed, what is the color that we see. Refer to color wheel
a)
Violet
b)
Orange
c)
Blue
d)
Yellow
20.
Color of metal complexes are due to the following factors EXCEPT
a)
Types of ligands
b)
Nature of transition metal
c)
Oxidation states
d)
Type of orbitals
21.
3d orbitals are degenerate. What does it means?
a)
All 3d orbitals are in same order
b)
All 3d orbitals have different electron arrangement
c)
All 3d orbitals are in the same energy level
d)
All 3d orbitals have the same shape
22.
Ti3+ solution in the presence of water, is violet in color. Why?
a)
Presence of water ligands cause color formation
b)
Electron can be excited
c)
Wavelength of light can be absorbed
d)
Presence of water ligand cause the splitting the 3d orbitals
23.
Sc3+ solution in the presence of water is colorless. Why?
a)
Presence of ligands cause the splitting of 3d orbital.
b)
There is no splitting of 3d orbitals
c)
There is no electrons to be excited
d)
Energy level is too high for electron to reach
24.
Zn2+ solution in the presence of water is colorless. Why?
a)
Presence of ligands cause the splitting of 3d orbital.
b)
There is no splitting of 3d orbitals
c)
There is no electrons to be excited
d)
3d orbitals are fully filled and no electrons can be excited
25.
The name for Cr2S:
a)
Chromium (I) sulfide
b)
Chromium sulfide (I)
c)
Chromium (II) sulfide
d)
Chromium sulfide (II)
26.
What is the correct formula for chromate ion?
a)
Cr2O7²⁻
b)
ClO₂⁻
c)
CrO₄²⁻
d)
HCO₃⁻
27.
Which of the following is NOT a transition metal?
a)
Iron
b)
Gold
c)
Titanium
d)
Radium
28.
These elements are made in laboratories. They all are after Uranium.
a)
Transuranium
b)
Lanthanides
c)
Actinides
d)
Alkaline Earth Metals
29.
What colour is a compound that contains Fe3+?
a)
Brown solid
b)
Green solid
c)
Red solid
d)
Blue solid
30.
Which compound contains Cu2+?
a)
Compound A - blue solid
b)
Compound B - brown solid
c)
Compound C - green solid
d)
Compound D - white solid
31.
The highest occupied s sublevel and a nearby f sublevel contain electrons.
a)
inner transition metals
b)
noble gases
c)
transition metals
d)
Group A
32.
The elements in Groups 3 through 12 are called ____________________ metals.
They include: copper, nickel, gold, silver, iron
They include: copper, nickel, gold, silver, iron
a)
alkali metals
b)
alkaline earth metals
c)
transition metals
33.
What colour is a compound that contains Fe2+?
a)
Brown solid
b)
Green solid
c)
Red solid
d)
Blue solid
34.
Transition elements show variableoxidation state due to
a)
small size
b)
unpaired electron
c)
incomplete d orbital
d)
none of these
35.
why does transition metal form alloys with other transition metals?
a)
due to similar ionic size
b)
due to incomplete d orbital
c)
variable oxidation state
d)
none
36.
Why transition elements form complexes
a)
vacant d orbital
b)
smaller size
c)
higher charge on cation
d)
all of the above
37.
Transition metals in many compounds acts as good catalyst
a)
complete d orbital
b)
unpaired electron
c)
large surface area
d)
none of these
38.
Transition metal form coloured complexes due to
a)
incomplete d orbital
b)
d-d transition
c)
absorption of radiation in visible region
d)
all the above
39.
transition metaland its compound show paramagnetic behaviour due to presence of
a)
paired electron
b)
unpaired electrom
c)
coloured compound
d)
none of the above
40.
Melting point of transition metals are high
a)
due to strong ionic bond
b)
due to strong covalent bond
c)
due to strong metallic bond
d)
due to strong H-bond
41.
transition metal form interstial compounds due to
a)
void present in crystal lattice
b)
small size
c)
d-d transition
d)
all of these
42.
Which family...
a)
Actinides
b)
Lanthanides
c)
Halogens
d)
Alkali
43.
A ______________ material is one that can be pulled out or drawn into long wires.
a)
malleable
b)
ductile
c)
luster
44.
These elements are separated from the main part of the periodic table. They are in the top row of this section.
a)
Lanthanides
b)
Actinides
c)
Alkali Metals
d)
Alkaline Earth Metals
45.
Cu2+ solution in the presence of water is blue. Why?
a)
Splitting of 3d orbital and electron can be easily excited
b)
Blue light is aborbed to excite elec to higher energy level
c)
Blue light is emitted when elec move to lower energy level
d)
3d orbital are partially filled and electrons can be excited
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