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Understanding Waves: Crest, Trough, and Thallium Toxicity

This lesson focuses on the properties of waves, specifically identifying the highest point (crest) and the lowest point (trough) of a wave. Additionally, we delve into the element of the day, Thallium (Tl), notable for its acute toxicity and potential use as a murder weapon. Symptoms of thallium poisoning include vomiting, hair loss, and delirium. Assignments include reviewing sections 23.1 and 23.2 and preparing for a quiz on chapter 23. Final exam is scheduled for June 14.

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Understanding Waves: Crest, Trough, and Thallium Toxicity

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Presentation Transcript

  1. Warm up 5/30/13 • Question: What do you call the highest point on a wave? The lowest? • Answer: • Highest = crest (or peak) • Lowest = trough • Goal: I will learn properties of waves.

  2. Element of the day • 81 – Thallium – Tl • Thallium is the first acutely toxic element since arsenic (33). Tests exist for thallium as a murder weapon, but it must be suspected first. • Symptoms of thallium poisoning include vomiting, hair loss, delirium, blindness, and abdominal pain.

  3. Dorney? • Notes 23.2 • Murray Waves • GR 23.2 • Tonight’s HW • GR 23.1 & 23.2 • Test Corrections! • Quiz Ch 23 Tuesday • Final Exam Friday 6/14 Agenda / HW

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