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  • Home
  • About
  • Student Portal
    • Physical Science
    • Biology
    • Chemistry
    • Physics
    • Algebra Series
    • Human Anatomy & Physiology
    • Principles of Engineering
    • Civil Engineering & Architecture
    • Economics
    • Business Management & Ownership
  • CLASS CALENDAR
  • CLASS FEES
  • POLICIES / HANDOUTS
  • Contact

Unit 5: The Elements  (Periodic table and properties)

Reading
​BJU Chemistry book: Ch. 5 "Elements"
Zumdahl Chemistry Ch. 7 "Atomic structure and periodicity"  
AP Princeton Guide: The rest of Unit 1 "Atomic Structure and Properties"

Topics
  • Periodic table
  • Periodic trends
  • Ionization energy
  • Electron affinity
  • Electronegativity

Labs
  • ​Hydrogen gas lab 
Virtual labs
  • The periodic trends "graphing" lab is the best one
Left: Pure Gold (chemical symbol = Au)     Right: Fools Gold (Pyrite = FeS2) 
Picture
Pure Gold (chemical symbol = Au)
Picture
Fools Gold (Pyrite = iron disulfide)
Print this Periodic Table if you haven't already, and bring to class from now on
File Size: 2880 kb
File Type: pdf
Download File

periodic_trends_handout.docx
File Size: 442 kb
File Type: docx
Download File

Lecture outline:
  • The periodic table and its historic development
  • Atomic radius, ionic radius
  • Electron affinity, ionization energy, and electronegativity
  • Overview of the main groups on the periodic table
Hydrogen lab
We will make and test hydrogen gas. A classic lab exercise making and collecting this important gas, and testing it under different conditions.
h2_lab_handout.pdf
File Size: 579 kb
File Type: pdf
Download File

student_exemplar: hydrogen_lab_report.pdf
File Size: 304 kb
File Type: pdf
Download File

Picture
Picture
Homework with video
4._the_elements_homework_2021.docx
File Size: 132 kb
File Type: docx
Download File

​Spacecraft CO2 Removal assignment
Research the following and submit a 1-1/2 to 2 page report – “How is carbon dioxide gas – which is exhaled by humans - eliminated from a spacecraft? How do they prevent it from building up and poisoning the astronauts?"
  1. Describe the system used
  2. Write the chemical reaction(s) taking place, using the proper symbols
  3. Include sketches, diagrams and any relevant pictures
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