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8.24.26 quiz D

  1. How many protons, neutrons and electrons in each of these: C14/6, Sr90/38, U238/92
  2. What is the new and old name of these symbols: Ag, Au, Na, Fe
  3. If a sample of carbon is found to have 12.5% of the natural amount of C14/6 in it, how old is it? (C14 half life is about 5000 years)
  4. List three anomalies from your 8 countries workl 

8.24.26 Worksheet D

Unmigrated media: element_clues.pdf (application/pdf, 29.8 KB)

Unmigrated media: element_answers.pdf (application/pdf, 33.6 KB)

next notes:
https://elab.hpa.edu/wiki/pages/95o1K63/science_review_chemistry_notes.html

  • pH, acids and bases
  • metabolic-respiratory acidosis-alkalosis
  • boiling in space
  • capillary action
  • colligative properties
  • gas solubility: orographic lifting-Waipio
  • osmosis: soaking in hot salt water
  • surface tension: adhesion and cohesion
  • RO for homes
  • regelation
  • ocean acidification-carbonic acid
  • drug half-lives
  • skin pH
  • methionine-acid rain
  • radiation, conduction, convection: climate change+hurricanes
  • radiation: alpha, beta, gamma, neutrons (paper, foil hats, radon)
  • eutrophication: NPK
  • chesapeake bay: perfect storm
  • organic vs. inorganic substances
  • proteins, fats, carbohydrates


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