Curated OER
Chapter 6 - Bonds
Although there are only 16 questions here, this chemistry handout makes a terrific unit assessment. It queries youngsters on the properties of ionic and covalent compounds, relates bond length tho stability and enrgy, compares polar and...
Other
C4 Molecular Library: Alkynes
The C4 molecular library has models of alkynes that can be rotated and examined in 3D. Choose viewer, select the hydrocarbon menu from CONTENTS and scroll down to alkynes.