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Chapter 1 - Transition Elements and Iron Metallurgy

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Quiz

Lesson 1: First Transition Series, Electronic Configurations and Economic Significance — Picture questions (exam style)

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1.
X is a first-row transition element; its ion X4+ has 3 unpaired electrons (see the orbital diagram). Which option is correct?
X is a first-row transition element; its ion X⁴⁺ has 3 unpaired electrons (see the orbital diagram). Which option is correct?
the element is used in: catalyst for sulfuric acid, the ion is paramagnetic and colourless
the element is used in: dry cells, the ion is paramagnetic and coloured
the element is used in: radiotherapy (radioisotope), the ion is diamagnetic and coloured
the element is used in: radiotherapy (radioisotope), the ion is paramagnetic and colourless
2.
The table lists four first-row transition ions (symbols are hypothetical). Which statement is NOT correct?
The table lists four first-row transition ions (symbols are hypothetical). Which statement is NOT correct?
compounds of Z are coloured
compounds of W are colourless
ion Y is diamagnetic
ion Z is paramagnetic
3.
Which ion in the table has the smallest magnetic moment?
Which ion in the table has the smallest magnetic moment?
Zn2+
Cr3+
V3+
Mn3+
4.
The diagram shows the 3d and 4s orbital filling of an atom or ion. Which species is it?
The diagram shows the 3d and 4s orbital filling of an atom or ion. Which species is it?
Ti4+
Mn
Sc
Ni2+
5.
The diagram shows the 3d and 4s orbital filling of an atom or ion. Which species is it?
The diagram shows the 3d and 4s orbital filling of an atom or ion. Which species is it?
Ni
Mn2+
Mn4+
Ti2+
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