flame test activity
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Flame Test Activity. October 19, 2010. andrewpaladie.wordpress.com. Figuring out what things are made of. Scientists want to know what elements are in different samples. Figuring out what things are made of. Scientists want to know what elements are in different samples. - PowerPoint PPT PresentationTRANSCRIPT
Flame Test ActivityOctober 19, 2010
andrewpaladie.wordpress.com
Figuring out what things are made of
Scientists want to know what elements are in different samples.
Figuring out what things are made of
Scientists want to know what elements are in different samples. Which sample is sodium chloride?
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
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
Properties of Light
Light is a form of energy.
quarknet.fnal.gov
Electromagnetic Radiation Spectrum
Properties of Light
Light is a form of energy.
Visible light behaves both like a wave and a particle.
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
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
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
Excitation of Electrons
We can think of electron configurations in terms of energy.
Excitation of Electrons
We can think of electron configurations in terms of energy.
Let’s make the energy diagram for sodium (Na)
Excitation of Electrons
Let’s make the energy diagram for sodium (Na)
Excitation of Electrons
Let’s make the energy diagram for sodium (Na)
Excitation of Electrons
Let’s make the energy diagram for sodium (Na)
Excitation of Electrons
Let’s make the energy diagram for sodium (Na)
Excitation of Electrons
Let’s make the energy diagram for sodium (Na)
Excitation of Electrons
Let’s make the energy diagram for sodium (Na)
Excitation of Electrons
Let’s make the energy diagram for sodium (Na)
Excitation of Electrons
Let’s make the energy diagram for sodium (Na)
Excitation of Electrons
Let’s make the energy diagram for sodium (Na)
Excitation of Electrons
Let’s make the energy diagram for sodium (Na)
Excitation of Electrons
Let’s make the energy diagram for sodium (Na)
GROUND STATE
Excitation of Electrons
Ground State
Excited State
Excitation of Electrons
Excitation of Electrons
Some atoms release this energy in the form of visible light!
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