unhide the rest of u2 landing page

Author: infinite0x20

docs/textbook/unit2/index.md

@@ -24,7 +24,7 @@ In Unit 2, you'll explore more roots and word endings as they apply to chemical
 - Number bases in Latin and Greek
 - Roman numerals
 
-<!-- [Lesson 8: Names in Chemistry](./lesson8-chem-names/)
+[Lesson 8: Names in Chemistry](./lesson8-chem-names/)
 -
 
 - Diminutive endings
@@ -50,9 +50,9 @@ In Unit 2, you'll explore more roots and word endings as they apply to chemical
 - History of periodic table(s)
 - Tables by Dalton, Berzelius, and Mendeleev
 - Discovery of new elements
-- Synthetic and radioactive elements -->
+- Synthetic and radioactive elements 
 
-<!-- [Project 2: Compounding Terms](./project2-compounds/)
+[Project 2: Compounding Terms](./project2-compounds/)
 -
 
-- Applying knowledge of endings and more Greek and Latin roots to analyze chemical names. -->
+- Applying knowledge of endings and more Greek and Latin roots to analyze chemical names.