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During this project, I think we used applying knowledge to solve problems. I think this because we had to use our knowledge of all the ions to figure out what our unknown was.

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How did you determine your unknown chemical?

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How did you determine your unknown chemical?

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We determined our unknown ion by looking at the picture we took of the unknown and comparing it to every other picture. The only picture that looked even close was the lithium, therefore we determined our unknown was lithium.

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Samantha Zimmerle

Kennedy Hood

P: 3 Group:10

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When we put the different popsicle sticks in the flame, they each produced different colors

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pinkish red

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yellow

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yellowish lime green

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yellow

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red orange

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orange

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pinkish red

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orange

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orange

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copper

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strontium

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barrium

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calcium

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unknown

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lead

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sodium

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potassium

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lithium

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Mr. G-O had 8 popsicle sticks each dipped in a different element. We took the different sticks (one by one) and put them in the flame. Each stick produced a different color. After we observed, we wrote down what we saw.

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The purpose is to determine the identity of an unknown ion by taking a look at its color in a flame and comparing it to all 8 elements you tested before it

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The elements produce color when they are in the bunsen burner because the chemicals react with the heat and the electrons move from the ground state to the excited state causeing it to change color.