2025-02-23
Previous Session: 2025-02-21
Next Session: 2025-02-28
Math:
- Sine Law - need to find if there are two solutions
| S | S | A |
|---|---|---|
| 3 | 3 | 15° |
| 3 | 4 | 30° |
| 3 | 5 | 45° |
| 3 | 6 | 60° |
| 3 | 7 | 75° |
| 3 | 8 | 90° |
Science:
Basic Questions:
- Draw the Lewis structure for H₂O.
- Draw the Lewis structure for CO₂.
- Draw the Lewis structure for NH₃.
- Draw the Lewis structure for CH₄.
- Draw the Lewis structure for O₂.
Intermediate Questions:
- Draw the Lewis structure for CCl₄.
- Draw the Lewis structure for SO₂ and identify its molecular shape.
- Draw the Lewis structure for NO₃⁻ and determine the formal charge of each atom.
- Draw the Lewis structure for BF₃ and explain why boron does not follow the octet rule.
- Draw the Lewis structure for XeF₂ and determine its electron geometry.
Advanced Questions:
- Draw the Lewis structure for PO₄³⁻ and determine the formal charge on phosphorus.
- Draw the resonance structures for SO₄²⁻ and explain the concept of resonance.
- Draw the Lewis structure for H₃O⁺ and determine its shape.
- Draw the Lewis structure for NO₂ and explain why it is a free radical.
- Draw the Lewis structure for SF₆ and explain why sulfur can have more than 8 valence electrons.
Challenge Questions:
- Compare the Lewis structures of CO and CO₂. Which one has a higher bond order?
- Determine if O₃ (ozone) has resonance and draw its resonance structures.
- Explain why BeCl₂ does not follow the octet rule and describe its bonding.
- Draw the Lewis structure for C₂H₂ (ethyne/acetylene) and describe its bond types.
- Draw the Lewis structure for H₂SO₄ and identify any formal charges.