Lab 9.docx - PRE-LAB QUESTIONS u2022 What is an electron...

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PRE-LAB QUESTIONS What is an electron configuration?
How is the light emitted by an atom related to its electron configuration?
EXPERIMENT 1: THE CHEMISTRY OF FIREWORKS Data Sheet Table 2: Results of Firework Material Ignition Substance Observations Lithium chloride (LiCl) Edge of the flame get's a lot brighter red, and it sizzled at first. Sodium chloride (NaCl) a lot of black smoke coming from the flame Potassium chloride (KCl) had a very similar reaction to sodium chloride
Calcium chloride (CaCl 2 ) No change Table 3: Electron Configuration Element Electron Configuration K 1s 2 2s 2 2p 6 3s 2 3p 6 4s 1 Li 1s2 2s1 Na 1s22s22p63s1 Ca 1s22s22p63s23p64s2 Table 4: Color of Light Emitted by Salt Types Salt Color Wavelength LiCl bright red

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