1 Atomic Spectroscopy Introduction. 2 Technique – Flame Test.
Flame Test Activity
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Transcript of Flame Test Activity
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Flame Test ActivityOctober 19, 2010
andrewpaladie.wordpress.com
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Figuring out what things are made of
Scientists want to know what elements are in different samples.
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Figuring out what things are made of
Scientists want to know what elements are in different samples. Which sample is sodium chloride?
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Figuring out what things are made of
Scientists want to know what elements are in different samples. Which sample is sodium chloride?
Sodium chloride
Magnesium chloride
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Figuring out what things are made of
Scientists want to know what elements are in different samples. Which sample is sodium chloride?
What is the Sun made of?
Sodium chloride
Magnesium chloride
http://en.wikipedia.org/wiki/Sun
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Properties of Light
Light is a form of energy.
quarknet.fnal.gov
Electromagnetic Radiation Spectrum
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Properties of Light
Light is a form of energy.
Visible light behaves both like a wave and a particle.
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Properties of Light
Light is a form of energy.
Visible light behaves both like a wave and a particle.
Let’s meet Roy G. Biv.
centuriogroup.wordpress.com
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Properties of Light
Light is a form of energy.
Visible light behaves both like a wave and a particle.
Let’s meet Roy G. Biv.
Distance covered
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Properties of Light
Light is a form of energy.
Visible light behaves both like a wave and a particle.
Let’s meet Roy G. Biv.
Low frequency
High Frequency
Low energy
High energy
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Excitation of Electrons
We can think of electron configurations in terms of energy.
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Excitation of Electrons
We can think of electron configurations in terms of energy.
Let’s make the energy diagram for sodium (Na)
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Excitation of Electrons
Let’s make the energy diagram for sodium (Na)
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Excitation of Electrons
Let’s make the energy diagram for sodium (Na)
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Excitation of Electrons
Let’s make the energy diagram for sodium (Na)
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Excitation of Electrons
Let’s make the energy diagram for sodium (Na)
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Excitation of Electrons
Let’s make the energy diagram for sodium (Na)
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Excitation of Electrons
Let’s make the energy diagram for sodium (Na)
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Excitation of Electrons
Let’s make the energy diagram for sodium (Na)
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Excitation of Electrons
Let’s make the energy diagram for sodium (Na)
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Excitation of Electrons
Let’s make the energy diagram for sodium (Na)
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Excitation of Electrons
Let’s make the energy diagram for sodium (Na)
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Excitation of Electrons
Let’s make the energy diagram for sodium (Na)
GROUND STATE
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Excitation of Electrons
Ground State
Excited State
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Excitation of Electrons
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Excitation of Electrons
Some atoms release this energy in the form of visible light!
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Flame Test Demo
Each element has a specific way in which their electrons are excited upon heating.
This means each element gives off different colors when the electrons are returning to the ground state after being heated.
Now we have a way to identify different elements!Sample