transition metals Flashcards
(16 cards)
What are transition metals?
Transition metals are elements that have partially filled d orbitals and are found in groups 3 to 12 of the periodic table.
True or False: All transition metals are metals.
True
Which of the following is NOT a transition metal: Iron, Copper, Helium?
Helium
Fill in the blank: The transition metals are characterized by their ability to form _______ complexes.
coordination
What is the typical oxidation state of transition metals?
Transition metals can exhibit multiple oxidation states, but commonly +2 and +3.
Which transition metal is known for its use in stainless steel?
Chromium
True or False: Transition metals are good conductors of electricity.
True
What property of transition metals allows them to form colored compounds?
The presence of unpaired d electrons.
What is the role of transition metals in biological systems?
They often serve as essential trace elements in enzymes and other biochemical processes.
Which transition metal is used in the production of batteries?
Nickel
Fill in the blank: The transition metals are located in the _______ block of the periodic table.
d
Which transition metal has the highest melting point?
Tungsten
True or False: Transition metals typically have high electronegativities.
False
What is a common use of cobalt?
Cobalt is used in the production of high-strength alloys and batteries.
What distinguishes the lanthanides and actinides from transition metals?
They are f-block elements, while transition metals are d-block elements.
Characteristics?
Hard, dense, strong, good conducter.