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WorksheetsChapter 9: Transition Metal
Total questions: 15
Worksheet time: 15mins
Name
Class
Date
1.
What is a transition metal?
a)
An element that forms at least one stable ion with incomplete (partially filled) d orbitals.
b)
An element that forms at least one atom with incomplete (partially filled) d orbitals.
c)
An element that forms at least one stable ion with half-filled d orbitals.
d)
An element that forms at least one atom with fully-filled d orbitals.
2.
Where are the transition metals found on the periodic table?
a)
The first 5 elements
b)
The bottom two rows
c)
Group 3-12
d)
Row 3-12
3.
Which one is a transition metal?
a)
Hydrogen (H)
b)
Oxygen (O)
c)
Nitrogen (Ni)
d)
Phosphorus (P)
4.
In the compound TiO2, titanium has a charge of
a)
4+
b)
2+
c)
2-
d)
4-
5.
Transition elements are defined as
a)
d block elements from Sc to Zn
b)
d block elements with electrons in d orbital
c)
d block elements with 3d orbitals
d)
d blocks elements with partially filled d orbitals
6.
Electron configuration for Cr is 4s13d5 and NOT 4s23d4. Why?
a)
Half filled 3d orbital is most stable
b)
Fully filled orbital is more stable
c)
4s1 is more stable than 4s2
d)
3d5 is more stable than 3d4
7.
Electron configuration for Cu is 4s13d10 and NOT 4s23d9. Why?
a)
Half filled 3d orbital is most stable
b)
Fully filled 3d orbital is more stable
c)
Partially filled 3d orbital is more stable
d)
4s1 is more stable than 4s2
8.
Sc and Zn are not transition elements. Why?
a)
3d orbitals are empty
b)
3d orbital are fully filled
c)
3d orbitals are partially filled
d)
3d orbitals are not partially filled
9.
Which of the transition elements exhibit highest oxidation state?
a)
Manganese
b)
Vanadium
c)
Iron
d)
Chromium
10.
How many donor atoms in this ligand?
a)
1
b)
2
c)
3
d)
4
11.
State donor atom in this ligand
a)
Carbon
b)
Hydrogen
c)
Nitrogen
12.
Ligand is a molecule/ion that contain lone pair (a) to form dative bond to center metal ion
13.
Transition metal have variable oxidation states due to
a)
ability to lose electron from 3d and 4s
b)
ability to lose electrons from 4s
c)
ability to form complex ions
d)
ability to react with ligands
14.
Complex metal ions shown in diagram below is made up of
a)
ligands
b)
transition metals
c)
different ligands
d)
ligands and transition metal
15.
Which of the following is FALSE about complex ion shown in diagram below?
a)
Overall charge of 2-
b)
CI- ion as ligands
c)
Cu2+ as transition metal ion
d)
Covalent bonding between Cu2+ and ligands
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