Chemistry (Bolton)

Week 13

Monday 27 November

• wash desks (periods 1, 2 & 3)
• review C6-1 pp. 161-163

• go over

• p. 163 #1, 3 (use EN table on p. 151), 4

• C6-2 pp. 164-167
• molecule
• molecular compound
• chemical formula
• molecular formula
• diatomic molecule
• formation of a covalent bond
• p. 165
• p. 167 (top)
• demo mass on a spring
• bond length
• bond energy
• demo HCl + Zn --> ZnCl₂ + H₂
• exothermic
• E absorbed to break bonds
• E released when electrons settle into bonds
• demo H₂ + O₂ --> H₂O
• exothermic

• homework
• read pp. 164-167

Tuesday 28 November

• wash desks (period 2)
• go over test
• C6-2 pp. 168-175
• octet rule
• electron-dot notation
• unshared e- pair
• shared e- pair
• COVALENT CHEMICAL BOND
• electron-dot structure (not in book)
• Lewis structure
• formula structure (structural formula)
• single bond
• C₂H₆
• double bond
• C₂H₄
• triple bond
• C₂H₂
• resonance
• homework
• read pp. 168-175
• p. 175 #1, 2, 3 (in notes)
• 4a,d - draw all three structures each (to be turned in)

Wednesday 29 November

• go over homework
• review resonance p. 175
• e.g. ozone O₃ & NO^3- ion
• Covalent Network Bonding p. 175
• review C₂H₆, C₂H₄, C₂H₂ with models
• Molecular model lab
• ethane, ethene, ethyne
• video: KABOOM
• (period 1: beginning -> 7 minutes)

Thursday 30 November

• gas leak (no classes)

Friday 1 December

• wash desks (period 7)
• review
• electron-dot structures and structural formulas:
• CH₄, CO₂, HCN, O₂
• NH₄⁺, NO₃^-, PO₄^3-
• C6-3 pp. 176-180
• homework (to be turned in)
• read pp. 176-180
• p. 175 #4b,c (all three structures)
• HBr, H₂O, NH₃, N₂, SO₄^2- (all three structures)