Question

**A**) Write the condensed electron configurations
for the ** Ga** atom.

Answer #1

Write electron configurations and count the number of unpaired
electrons in: O, Si, Ni, I, Ir, Bi, Gd

5)
(a) Using the symbol of the previous noble gas to indicate the
core electrons, write the electronic configurations of atoms in the
following elements: (i) Al (ii) Se (iii) P
(b) How many valence electrons are there in each of the above
atoms?
(c) When the above elements form an ion, what charge is each of
them likely to have?
(d) Using the noble gas notation, write the electronic
configurations of the ions formed in part (c).

1) A quantum harmonic oscillator with frequency
ωcontains 41 electrons. What is the energy of the
highest-energy electron? Assume that the electrons are in the
lowest states possible.
2 a) An atom has a total of 18 electrons. What is the principal quantum number of the
outermost shell?
2 b) How many electrons
does the outermost shell shell contain?
3) Which of the following represents the possible range of
integer values for the magnetic quantum number?
a) 1 to l...

Each electron in an atom may be described by a set of four quantum
numbers. For each of the following, write down each different set
of quantum numbers possible such that each set contains the given
value. (The answer for part (a) has been done for you below.) a. n
= 3, l = 1 b. n = 3, l = 2 c. n = 4, l = 2 d. n = 3, l = 2, ml = –2
e....

a) How many values of the quantum number L (lower case cursive
L) are possible when n=7?
b) How many values of mL (again lower case cursive L) are
possible for an electron in a 6d subshell?
c) How many orbitals are there in a shell with n=3?
Please show work on how yall get the answers yall get. Thank
You!

1) The Pauli Exclusion Principle tells us that
no two electrons in an atom can have the same four quantum
numbers.
Enter ONE possible value for each quantum number of an electron
in the orbital given.
Orbital
n
l
ml
ms
1s
There are a total of values possible for
ml.
2s
There are a total of values possible for
ml.
2) The Pauli Exclusion Principle tells us that
no two electrons in an atom can have the same four...

Question 3
Part B:How many values of ml are possible for an
electron with orbital quantum number l = 1?
Express your answer as an integer.
Part C
The quantum state of a particle can be specified by giving a
complete set of quantum numbers (n,l,
ml,ms). How many different
quantum states are possible if the principal quantum number is
n = 2?
To find the total number of allowed states, first write down the
allowed orbital quantum numbers l,...

Consider elemental antimony (Sb).
(a) Based on its position in the periodic table, how many
valence electrons should it have? You should not need to do any
detailed calculations or write the electron configuration. Further,
what block does it belong to (i.e., s, p, d, or f)?
(b) Based on its position in the periodic table, what shell
(i.e., n = ?) should the valence electrons be associated with? You
should not need to do any detailed calculations or write...

II(20pts). Short Problems
a) The lowest energy of a particle in an infinite one-dimensional
potential well is 4.0 eV. If the width of the well is doubled, what
is its lowest energy?
b) Find the distance of closest approach of a 16.0-Mev alpha
particle incident on a gold foil.
c) The transition from the first excited state to the ground
state in potassium results in the emission of a photon with = 310
nm. If the potassium vapor is...

CHE 151-3rd Write your answers in the Blue Book provided. Start
each new question at the top of a new page. To receive full credit
for problems, you must show the correct setup with units and give
your answer with the correct number of significant figures. 1.a) A
barometer reads 1.43 atm. Calculate the pressure in mm Hg, and
torr. b) If 4.50 L of oxygen is cooled at constant pressure from
200 oC to 25 oC, what is the...

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