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Transition metals - 5

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

Card preview (24)

#1
Front (Question)

Define a transition element

Back (Answer)

A D-block element that can form at least one stable ion with an incomplete d sub-shell

#2
Front (Question)

which metals in the d-block aren’t transitions metals

Back (Answer)

Scandium and zinc

#3
Front (Question)

Why is zinc not a transition metal

Back (Answer)

Zinc only forms 2+ ions, losing electrons from the 4s2 So it keeps a full 3d sub-shell

#4
Front (Question)

Why is scandium not a transition metal

Back (Answer)

Scandium only forms 3+ ions Causing it to have an empty 3d sub-shell

#5
Front (Question)

Define a complex ion

Back (Answer)

A metal ion surrounded by co-ordinately bonded ligands

#6
Front (Question)

What is a ligand

Back (Answer)

An atom, ion or molecule that donates a pair of electrons

#7
Front (Question)

What is the coordination number

Back (Answer)

The number of coordinate bonds that are formed to a central metal atom/ion

#8
Front (Question)

What do 6 coordinate bonds mean

Back (Answer)

An octahedral shape 90 degree bond angle

#9
Front (Question)

what do 4 coordinate bonds mean

Back (Answer)

Tetrahedral - 109.5 OR Square Planar - 90

#10
Front (Question)

How are ligands named

Back (Answer)

Based off the number of lone pairs 1- monodentate 2 - Bidentate 2 + - multidentate

#11
Front (Question)

What isomerism can complex ions show

Back (Answer)

Optical isomerism Cis-Trans isomerism

#12
Front (Question)

what is cis-platin

Back (Answer)

A complex of platinum with two chlorides and two ammonia molecules Square planar shape

#13
Front (Question)

How can cis-platin be used as an anti-cancer drug

Back (Answer)

The chloride ligands are easily displaced And bond to two nitrogen atoms on the DNA molecule of the cancer cell This prevents DNA from reproducing

#14
Front (Question)

What is the disadvantages of cis-platin

Back (Answer)

Can prevent normal cells from reproducing Can cause kidney damage

#15
Front (Question)

What colour ions does Ti3+ and Ti 2+ form

Back (Answer)

Ti3+ - Purple Ti2+ violet

#16
Front (Question)

What colour ions does VO2+ form

Back (Answer)

VO2+ - yellow

#17
Front (Question)

What colour ions does Cr2O7 2- and Cr3+ form

Back (Answer)

Cr2O7 2- - Orange Cr3+ - Purple

#18
Front (Question)

What colour ions does MnO4-form

Back (Answer)

MnO4- = purple

#19
Front (Question)

what colour ions does Fe3+ and Fe2+ form

Back (Answer)

Fe3+ = yellow Fe2+ = pale green

#20
Front (Question)

What colour ions does Co2+ form

Back (Answer)

Co2+ = pink

#21
Front (Question)

What colour ions does Ni2+ form

Back (Answer)

Ni2+ = green

#22
Front (Question)

What colour does ions does Cu2+ form

Back (Answer)

Cu2+ = pale blue

#23
Front (Question)

What is the colour change for the ligand substitution of Cu2+

Back (Answer)

Pale blue solution to a pale blue precipitate

#24
Front (Question)

What is the colour change for the ligand substitution of Fe2+

Back (Answer)

A pale green solution to a dark green precipitate