Lesson 10 of 12

Recap: The lattice

Checklist of structural points from this lesson.

• Four diameters. Extroverted ends above the x-axis; introverted below.
• Angles: Ne 22.5°, Se 67.5°, Te 112.5°, Fe 157.5°; I ends opposite.
• Ego 1–4: bold solid polygon. Shadow 5–8: lighter tint, dashed.

Exercise answer

What is the lattice angle for Ne?

22.5°

Ne is at 22.5°.