(a) Interpretation: The electronic configuration of Xenon using an abbreviation of the previous noble gas needs to be determined. Concept introduction: An atom consists of three sub-atomic particles; electrons, protons and neutrons. The Bohr’s model purposed the concept of energy levels around the nucleus. It was the first most accepted atomic model. The quantum mechanical model is based on certain concepts like quantum numbers, Heisenberg uncertainty principle, etc. Quantum numbers are used to indicate the position and energy of electrons in an atom in a certain energy level. Electronic configuration represents the arrangement of electrons in different energy levels of an atom.
(a) Interpretation: The electronic configuration of Xenon using an abbreviation of the previous noble gas needs to be determined. Concept introduction: An atom consists of three sub-atomic particles; electrons, protons and neutrons. The Bohr’s model purposed the concept of energy levels around the nucleus. It was the first most accepted atomic model. The quantum mechanical model is based on certain concepts like quantum numbers, Heisenberg uncertainty principle, etc. Quantum numbers are used to indicate the position and energy of electrons in an atom in a certain energy level. Electronic configuration represents the arrangement of electrons in different energy levels of an atom.
Solution Summary: The author explains that the electronic configuration of Xenon using an abbreviation of the previous noble gas needs to be determined.
The electronic configuration of Xenon using an abbreviation of the previous noble gas needs to be determined.
Concept introduction:
An atom consists of three sub-atomic particles; electrons, protons and neutrons. The Bohr’s model purposed the concept of energy levels around the nucleus. It was the first most accepted atomic model. The quantum mechanical model is based on certain concepts like quantum numbers, Heisenberg uncertainty principle, etc.
Quantum numbers are used to indicate the position and energy of electrons in an atom in a certain energy level. Electronic configuration represents the arrangement of electrons in different energy levels of an atom.
Interpretation Introduction
(b)
Interpretation:
The electronic configuration of the excited state of Xenonneeds to be determined, when 801 kJ of energy is needed to excite the valence electron to the next subshell.
Concept introduction:
An atom consists of three sub-atomic particles; electrons, protons and neutrons. The Bohr’s model purposed the concept of energy levels around the nucleus. It was first most accepted atomic model. The quantum mechanical model is based on certain concepts like quantum numbers, Heisenberg uncertainty principle, etc.
Quantum numbers are used to indicate the position and energy of electrons in an atom in a certain energy level. Electronic configuration represents the arrangement of electrons in different energy levels of an atom.
Interpretation Introduction
(c)
Interpretation:
The reason for energy required to completely remove an outermost electron from the excited state of Xe (369 kJ/mol)to be approximately equal to that of Cs atom (376 kJ/mol) needs to be explained.
Concept introduction:
An atom consists of three sub-atomic particles; electrons, protons and neutrons. The Bohr’s model purposed the concept of energy levels around the nucleus. It was first most accepted atomic model. The quantum mechanical model is based on certain concepts like quantum numbers, Heisenberg uncertainty principle, etc.
Quantum numbers are used to indicate the position and energy of electrons in an atom in a certain energy level. Electronic configuration represents the arrangement of electrons in different energy levels of an atom.
(1) What is the valence electron configuration for the sodium atom?
(2) What is the valence electron configuration for the boron atom?
(1) What is the valence electron configuration for the arsenic atom?
(2) What is the valence electron configuration for the fluorine atom?
Q1.
This question is about atomic structure.
(a) Write the full electron configuration for each of the following species.
CH
Fe2+
(b) Write an equation, including state symbols, to represent the process that occurs
when the third ionisation energy of manganese is measured.
(c)
State which of the elements magnesium and aluminium has the lower first ionisation
energy
Explain your answer.
(d) A sample of nickel was analysed in a time of flight (TOF) mass spectrometer. The
sample was ionised by electron impact ionisation. The spectrum produced showed
three peaks with abundances as set out in the table.
m/z
Abundance /%
58
61.0
60
29.1
61
9.9
Give the symbol, including mass number, of the ion that would reach the detector
first in the sample.
Calculate the relative atomic mass of the nickel in the sample.
Give your answer to one decimal place.
Page 2 of 12
Symbol of ion
Relative atomic mass
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