Welcome to the Quiz!
This quiz contains 8 questions from a mix of 1 subtopics.
A transition element forms at least one stable with an incomplete sub-shell of electrons.
|
Which elements are transition elements?
(Select all that apply).
zinc
chromium
scandium
cobalt
|
What is the correct electronic configuration of an Fe3+ ion?
[Ar]3d5
[Ar]3d64s2
[Ar]3d3
[Ar]3d34s2
|
What is the correct electronic configuration of an atom of nickel?
[Ar]3d64s2
[Ar]3d84s2
[Ar]3d94s1
[Ar]3d10
|
Which element in the transition elements series has the highest number of oxidation states?
nickel
manganese
cobalt
copper
|
Which transition element is commonly used as a catalyst in the Haber process for the manufacture of ammonia?
manganese
vanadium
iron
nickel
|
Which of the following is NOT a typical chemical property of transition elements?
act as catalysts
formation of complex ions
formation of coloured compounds
fixed oxidation states
|
What is the oxidation number of chromium in the dichromate ion, Cr2O72-?
|