Formulas and Nomenclature

  • Tuesday Dec 4th- Introduction to Binary Compounds and the Criss-Cross Method for writing formulas.  Packet pages 2, 5, and the top half of page 6.  Homework= study for Quick Quiz on Writing and naming Binary Compounds.

Tyler DeWitt  Binary Compounds Tutorial=  https://youtu.be/URc75hoKGLY

  • Thursday Dec 6th – Introduction to Compounds containing Transition Metals (using Roman Numerals) and Polyatomic Ions. Packet pages 3, 7, & 9.  Take Quiz for Binary Compounds.  Homework= study for Quick Quiz on Writing and naming Compounds containing Transition Metals.

Tyler DeWitt Transition Metals Tutorial= https://youtu.be/Rq0A-AHdB74

  • Monday Dec 10th- Additional Work using Polyatomic Ions in Formula Writing. Introduction to Nonmetallic Binary Molecules.  Packet pages 6 (bottom half) and 8.  Take Quiz for Transition Compounds.   Homework= study for Quick Quiz on Writing and naming Molecules with Two nonmetals (using Greek Prefixes).  More Videos from Tyler DeWitt

Nonmetallic Binary Molecules Tutorial =  https://youtu.be/DejkvR4pvRw

Polyatomic Ions in Compounds Tutorial = https://youtu.be/p9iQ5Qn42DM

  • Wed Dec 12- Introduction to Formula Mass and Percentage Composition. Review MIXED types of Formula Writing.  Packet pages 10 & 11 plus Quiz for Nonmetallic molecules.  Homework= study for Quick Quiz on Writing and naming Compounds with Polyatomic Ions.  Students may begin work on Webassign.

Mixed Types Tutorial = https://youtu.be/8KSWRy2MMyM

  • Friday Dec 14- Final Work and Lab for Percent Composition using packet pages 13 & 14. Take Quick Quiz on Polyatomic Ions in Formulas.  Homework= study for Quick Quiz on Writing and naming ALL TYPES of Formulas.  Webassign Due by midnight!

Tutorial for Percent Composition = https://youtu.be/lywmGCfIUIA

  • Tuesday Dec 18th- Test Review for Formulas, Nomenclature and % Composition. Take Quiz on Mixed Types of Formula Writing and Naming.  Homework= study for TEST to be taken Thursday Dec 20th.

Essential Standards (North Carolina Objectives)

Chm.1.2.4 · Write binary compounds of two nonmetals: use Greek prefixes (di-, tri-, tetra-, …).

  • Write binary compounds of metal/nonmetal*.
  • Write ternary compounds (polyatomic ions)* using the polyatomic ions on the reference table.
  • Write, with charges, these polyatomic ions: nitrate, sulfate, carbonate, acetate, and ammonium.

*The Stock system is the correct IUPAC convention for inorganic nomenclature.

Chm.2.2.5 · Determine percentage composition by mass of a given compound.

  • Perform calculations based on percent composition.
  • Determine the composition of hydrates using experimental data.