(a) Interpretation: The value of Z eff for the highest energy electron in potassium needs to be determined. Concept introduction: An atom consists of three sub-atomic particles; electrons, protons, and neutrons. Here, the protons and neutrons are placed in the nucleus at the center of atom whereas electrons are placed in certain energy levels around the nucleus. In an atom, there is an attraction force between electrons and nucleus due to opposite charges whereas electrons in different orbitals exert repulsion force on each other. Because of this repulsion force, the nuclear attraction felt by an electron is less than the actual nuclear charge. This nuclear charge that is felt by an electron is called as effective nuclear charge Z eff . Hence the effective nuclear charge Z eff is due to repulsion between electrons in an atom.
(a) Interpretation: The value of Z eff for the highest energy electron in potassium needs to be determined. Concept introduction: An atom consists of three sub-atomic particles; electrons, protons, and neutrons. Here, the protons and neutrons are placed in the nucleus at the center of atom whereas electrons are placed in certain energy levels around the nucleus. In an atom, there is an attraction force between electrons and nucleus due to opposite charges whereas electrons in different orbitals exert repulsion force on each other. Because of this repulsion force, the nuclear attraction felt by an electron is less than the actual nuclear charge. This nuclear charge that is felt by an electron is called as effective nuclear charge Z eff . Hence the effective nuclear charge Z eff is due to repulsion between electrons in an atom.
Solution Summary: The author explains that the value of Z_ eff for the highest energy electron in potassium needs to be determined.
The value of Zeff for the highest energy electron in potassium needs to be determined.
Concept introduction:
An atom consists of three sub-atomic particles; electrons, protons, and neutrons. Here, the protons and neutrons are placed in the nucleus at the center of atom whereas electrons are placed in certain energy levels around the nucleus.
In an atom, there is an attraction force between electrons and nucleus due to opposite charges whereas electrons in different orbitals exert repulsion force on each other. Because of this repulsion force, the nuclear attraction felt by an electron is less than the actual nuclear charge. This nuclear charge that is felt by an electron is called as effective nuclear charge Zeff. Hence the effective nuclear charge Zeff is due to repulsion between electrons in an atom.
Interpretation Introduction
(b)
Interpretation:
The value of Zeff for the highest energy electron in krypton needs to be determined.
Concept introduction:
An atom consists of three sub-atomic particles; electrons, protons, and neutrons. Here the protons and neutrons are placed in the nucleus at the center of atom whereas electrons are placed in certain energy levels around the nucleus.
In an atom, there is an attractive force between electrons and nucleus due to opposite charges whereas electrons in different orbitals exert repulsion force on each other. Because of this repulsion force, the nuclear attraction felt by an electron is less than the actual nuclear charge. This nuclear charge that is felt by an electron is called an effective nuclear charge Zeff. Hence the effective nuclear charge Zeff is due to repulsion between electrons in an atom.
. Choose a structure from the list provided below that best fits each of the following
escriptions. Place the letter of the structure in the blank to the left of the description. There is
nly one correct answer for each question.
starch
HO
CH₂OH
b. cellulose
d.
CH₂OH
HO
OH
HO
HO
OH
OH
OH
f. sucrose
CH₂OH
OH
OH
HO
OCH₂
OH
a monosaccharide that gives a negative Benedict's Test.
a ẞ-1,4'-glycoside
a disaccharide
Show how each of the following transformations might be best accomplished. More than one step may
required. Show all reagents and all intermediate structures. [4 only]
CH3
A. CH CH2 C Br
CH3
CH3
CH3CH2 C NH2
CH3
B
OH
any source of carbon
N
MIH
Consider the reaction below to answer the following questions.
0
0 25 PS ES 1919sds-III msx
H
H +
5% NaOCH 3, CH3OHA
O
CH₂OH
Jeiniog 2E1 gniwool of mor]. Ignibuloni 9vil 19
A
B
11 >buoqm gniwollol so dass 101 tomboy
boo-11Coble or to
r
ton auch i viw ninlaxs, noitsausbroo 152 lobla ogsbau ton 250b br
A. Which carbonyl compound functions as the electrophile in this reaction?
B. Draw the structure of the enolate ion that is generated during the course of this reaction.
C. This reaction is an example of:
a. a mixed Claisen condensation.
b.
C.
d.
a Dieckman condensation.
a Michael reaction.
a mixed aldol reaction.
HD
HD
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