CHEMISTRY
2nd Edition
ISBN: 9781593995782
Author: OpenStax
Publisher: XANEDU PUBLISHING
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Chapter 6, Problem 63E
Thallium was used as a poison in the Agatha Christie mystery story “The Pale Horse.” Thallium has two possible cationic forms, +1 and +3. The +1 compounds are the more stable. Write the electron structure of the +1 cation of thallium.
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Thallium was used as a poison in the Agatha Christie mystery story “The Pale Horse.” Thallium has two possible cationic forms, +1 and +3. The +1 compounds are the more stable. Write the electron structure of the +1cation of thallium.
In one area of Australia, the cattle did not thrive despite the presence of suitable forage. An investigation showed the cause to be the absence of sufficient cobalt in the soil. Cobalt forms cations in two oxidation states, Co2+and Co3+. Write the electron structure of the two cations.
Ionization is the process of removing an electron from an atom. For an atom, X, the first and second ionizations are described by
the following equations.
First ionization: X(g)
X+(g) + e-
Second ionization: X+(g) -
X2+(g) + e-
Consider the ionization of the period 2 elements.
Which element has the highest second ionization energy?
Which element has the lowest second ionization energy?
nitrogen (N)
nitrogen (N)
fluorine (F)
carbon (C)
lithium (Li)
O boron (B)
oxygen (O)
beryllium (Be)
beryllium (Be)
oxygen (O)
boron (B)
fluorine (F)
O carbon (C)
lithium (Li)
neon (Ne)
neon (Ne)
O O O O
O O O O
Chapter 6 Solutions
CHEMISTRY
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