Question

How will the principal quantum number of the electron change for absorption? and for emission?

Answer #1

Principal quantum number,n, describes the energy level on which the orbital resides.

With increase in 'n' value the energy increases.

If an electron excites from lower energy to higher energy then that is absorption. So, the absorption of energy depends on principal quantum number.

Similarly, if an electron jumps from higher energy shell to lower energy shell then that is called emission. Therefore,emission depends on principal quantum number. Higher the difference between the two energy levels, higher will be the absorption or emission energy.

Explain which characteristics of an electron are described by
the principal quantum number and the angular momentum number.
Predict why the principle quantum number could never be zero or a
negative number.
Please Type Answer and No Plagiarism!

1- For some atom, consider an electron shell corresponding to a
principal quantum number n. Answer the questions (a)-(b) below. (a)
What is the number of electrons in a fully occupied subshell with a
given orbital quantum number l? Explain your answer. (b) What is
the number of electrons in a fully occupied shell with a given
principal quantum number n? Explain your answer. Hint: For the part
(b), use the known mathematical formulas for finite sums: 1 ? ?=0...

For the 3d state (orbital) of the hydrogen atom, the principal
quantum number n=3. The orbital quantum number l = 2. For an
electron with these quantum numbers, what is the smallest angle (in
degrees) that an electron's spin axis (angular momentum axis) can
make with respect to an applied magnetic field?

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,...

A hydrogen atom is in the 6g state.
Determine the principal quantum number.
Determine the energy of the state.
Determine the quantum number ℓ.
Determine the orbital angular momentum.
Determine the possible values for the magnetic quantum
number.

How is contribution from atomic emission distinguished from the
singal for atomic absorption in atmoic absorption spectroscopy?

Exercise2
The absorption spectrum of an atom consists of the wavelengths
200nm, 300 nm, and 500nm.
a) Draw the atom's energy level diagram. Label each level with
the energy and the principal quantum number.
b) What wavelengths are seen in the atom's emission
spectrum?

An atom has a total of 18 electrons.
a)What is the principal quantum number of the outermost shell?
In detail
b)How many electrons does the outermost shell shell contain? In
detail

Explain how each of the following processes occur
absorption
emission

For a H-atom, determine the number of allowed states
corresponding to the principal quantum number n = 2, and calculate
the energies of these states

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