Choose one of the transition or inner transition metals from the periodic table. I choose Iron (Fe)
Using your book (Chapter 23 may be very useful) and Internet resources, discuss why your transition metal and their compounds display a variety of color. Be sure to include in your discussion, important oxidation states, the electron configuration and how the d-electrons are involved.
How can you include the electromagnetic spectrum and the nature of light into your discussion? How are energy and wavelength related? Use your knowledge of the emission and absorption of light in your discussion.
Remember to cite your sources in APA style.
Solution
Transition metal
Fe
Electronic configuration : [Ar] 3d6 4s2
So, it has partially filled d-orbital. Fe can absorb light of different wavelength and causes excitation of d-electrons. While returning (relaxing) they release the absorbed light in the visible region and wavelength and thus we see colors. Depending upon the wavelength of light used for the absorption, the electrons may get excited to different possible energy levels and thus variable colors are seen for transition metals.
Energy is related to inverse of wavelength of light
So, as lower energy of light would result in greater wavelength color emission and vice versa.
.
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Choose one of the transition or inner transition metals from the perio.docx
1. Choose one of the transition or inner transition metals from the periodic table. I choose Iron (Fe)
Using your book (Chapter 23 may be very useful) and Internet resources, discuss why your
transition metal and their compounds display a variety of color. Be sure to include in your
discussion, important oxidation states, the electron configuration and how the d-electrons are
involved.
How can you include the electromagnetic spectrum and the nature of light into your discussion?
How are energy and wavelength related? Use your knowledge of the emission and absorption of
light in your discussion.
Remember to cite your sources in APA style.
Solution
Transition metal
Fe
Electronic configuration : [Ar] 3d6 4s2
So, it has partially filled d-orbital. Fe can absorb light of different wavelength and causes
excitation of d-electrons. While returning (relaxing) they release the absorbed light in the visible
region and wavelength and thus we see colors. Depending upon the wavelength of light used for
the absorption, the electrons may get excited to different possible energy levels and thus variable
colors are seen for transition metals.
Energy is related to inverse of wavelength of light
So, as lower energy of light would result in greater wavelength color emission and vice versa.
![Choose one of the transition or inner transition metals from the periodic table. I choose Iron (Fe)
Using your book (Chapter 23 may be very useful) and Internet resources, discuss why your
transition metal and their compounds display a variety of color. Be sure to include in your
discussion, important oxidation states, the electron configuration and how the d-electrons are
involved.
How can you include the electromagnetic spectrum and the nature of light into your discussion?
How are energy and wavelength related? Use your knowledge of the emission and absorption of
light in your discussion.
Remember to cite your sources in APA style.
Solution
Transition metal
Fe
Electronic configuration : [Ar] 3d6 4s2
So, it has partially filled d-orbital. Fe can absorb light of different wavelength and causes
excitation of d-electrons. While returning (relaxing) they release the absorbed light in the visible
region and wavelength and thus we see colors. Depending upon the wavelength of light used for
the absorption, the electrons may get excited to different possible energy levels and thus variable
colors are seen for transition metals.
Energy is related to inverse of wavelength of light
So, as lower energy of light would result in greater wavelength color emission and vice versa.](https://image.slidesharecdn.com/chooseoneofthetransitionorinnertransitionmetalsfromtheperio-230130233756-aa4995a4/85/choose-one-of-the-transition-or-inner-transition-metals-from-the-periodocx-1-320.jpg)
