Chemistry (Bolton)

Week 11

Monday 13 November

• go over homework

• p. 139 #1, 2, 5

• review electron configurations
• valence shell
• can gain or lose e^-s
• What chemistry is all about
• Factors influencing periodic trends
• (1) filled and half-filled sublevels
• (2) distance between nucleus and valence e^-s
• (3) e- shielding
• (4) internal charges
• (1) filled and half-filled sublevels
• special stability
• predicted and actual electron configurations
• Cr, Mo and Cu, Ag
• (2) number of energy levels
• electromagnetic attraction decreases with distance
• (3) number of electrons
• they shield the positive nucleus
• (4) ratio of charge to number of energy levels
• north pole / south pole magnetic attraction
• increasing magnets increases attraction
• C5-3 pp. 140-146
• atomic radius
• ion
• ionization
• ionization energy (IE)
• video: Sodium
• homework
• read pp. 140-146
• test Monday (20 November)

Tuesday 14 November

• review pp. 123 -> current
• C5-3 pp. 146-152
• electron affinity
• attraction of a atom for an e^-
• exothermic
• gives off E
• endothermic
• absorbs E
• cation (positive ion)
• anion (negative ion)
• valence electrons
• electrons in the outer-most E level
• electronegativity (EN)
• attraction of an atom in a compound for a shared electron pair
• video: MAGNETIC STORM
• beginning -> 19 min
• homework
• test Monday (20 November)
• read pp. 146-152

Wednesday 15 November

• review 4 influencing factors
• review C5-3

• video: MAGNETIC STORM
• 19 min -> 37 min

• homework

• test Monday (20 November)

Thursday 16 November

• Period One ice cream party
• hand back papers / who owes what
• review electron configurations
• review why Na is so reactive
• Na in water lab

• video: MAGNETIC STORM
• 37 min -> end

• homework

• test Monday (20 November)