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Transition Metals

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Total cards: 24•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (24)

#1
Front (Question)

What are transition metals said to be? (Block)

Back (Answer)

D-block elements

#2
Front (Question)

Give the definition of transition metals

Back (Answer)

Transition metals form at least one ion with a partially filled d-sub shell

#3
Front (Question)

The d orbitals are filled according to the Aufbau principle, with the exception of what 2 elements?

Back (Answer)

Copper Chromium

#4
Front (Question)

What are half filled d orbitals said to be and why?

Back (Answer)

More stable due to the equal distribution of charge around the atom

#5
Front (Question)

What are the 3 d5 configuration anomalies ?

Back (Answer)

Chromium Molybdenum Tungsten

#6
Front (Question)

What are the 2 d10 configuration anomalies?

Back (Answer)

Copper and silver

#7
Front (Question)

What can transition metals exhibit ?

Back (Answer)

Variable valency - the atoms can lose the 4s electrons and some or all of the 3d electrons

#8
Front (Question)

What do transition metals have?

Back (Answer)

Coloured ions

#9
Front (Question)

Why are Sc3+ and Zn2+ not considered transition metals?

Back (Answer)

Because they do not have a partially filled d-subshell

#10
Front (Question)

What does a transition metal complex consist of ?

Back (Answer)

A central transition metal ion surrounded by ligands

#11
Front (Question)

What are ligands ?

Back (Answer)

Electron rich (have non-bonding pairs of electrons) or are negatively charged ions

#12
Front (Question)

What are ligands said to be ?

Back (Answer)

Neutral or anionic non-metal species

#13
Front (Question)

What do ligands act as?

Back (Answer)

Electron donors to the transition metal ion

#14
Front (Question)

What do ligands form bonds with?

Back (Answer)

The transition metal ions by donating non-bonding electrons to empty d-orbitals on the central TM ion

#15
Front (Question)

The Ligand donates both electrons in the new bond. What is this bond called?

Back (Answer)

A dative covalent bond (represented by an arrow)

#16
Front (Question)

How may ligands be attached to the metal ion?

Back (Answer)

By a single atom (monodentate) or bound to the metal through two or more atoms (bidentate, tridentate)

#17
Front (Question)

Give 2 examples of monodentate ligands ?

Back (Answer)

Ammonia Water

#18
Front (Question)

Give 2 examples of bidentate ligands ?

Back (Answer)

Ethanedioate ion 1,2- diaminoethane

#19
Front (Question)

Give an example of a hexadentate ligand ?

Back (Answer)

EDTA4-

#20
Front (Question)

What is the mole ratio of the metal ion to EDTA ?

Back (Answer)

1:1

#21
Front (Question)

What is the cooridination number of the ion?

Back (Answer)

The number of BONDS from the Ligand to the central ion

#22
Front (Question)

What are coordination number and geometry determined by?

Back (Answer)

A combination of metal ion size and Ligand size

#23
Front (Question)

What shape are complexes with coordination number 4 typically?

Back (Answer)

Tetrahedral or square planar

#24
Front (Question)

What shows the coordination number of the TM ion?

Back (Answer)

The chemical formulae