Chemistry (Bolton)

Week 6

Monday 9 October

• go over tests (P7)
• review C3-1
• go over p. 69 #2 & 3 (in notes)
• C3-2 pp. 70-74
• atom
• subatomic particles
• proton, neutron, electron
• demo cathode ray tube (CRT)
• Classical Model of Atom
• planetary model
• 4 Problems with Classical Model
• atoms should not exist
• electrons (e^-) should spiral into nucleus
• ultraviolet catastrophe
• glowing bodies should emit infinite radiation in the high frequency (n) range
• atomic line-emission spectrum
• individual atoms should give off the whole spectrum of colors
• photoelectric effect
• metals only give off electrons above a certain frequency
• homework
• Test Friday 13 October
• read pp. 70-74
• p. 74 #1-5 (in notes)

Tuesday 10 October

• go over homework

• finish C3-2 pp. 70-74
• Millikan Experiment
• Rutherford (Marsden/Geiger) Experiment
• four forces of nature
• strong nuclear force
• holds protons, neutrons, and nucleus together
• electromagnetic force
• holds atoms and molecules together
• weak nuclear force
• gravity
• holds the universe together
• video: "Chemical Reactions"
• Chemical Bonds (7:11)

• C3-3 pp. 75-85
• atomic number
• isotopes
• mass number
• hyphen-notation
• nuclear symbol
• relative atomic mass
• average atomic mass (no calculations)
• homework

• Test Monday 16 October

• read pp. 75-85

Wednesday 11 October

• review
• C3-3 pp. 75-85
• mole
• Avogadro's number
• 6.022 X 10²³
• molar mass
• conversions
• e.g. 3-2 (p. 82)
• e.g. 3-3 (p. 83)
• e.g. 3-4 (p. 84)
• show mass <--> moles <--> numbers
• homework

• Test Monday 16 October

• p. 85 #2a,c 3a,b 5a 6a,b, 7a (to be turned in)

Thursday 12 October

· sub: video

o Origins, "Part One"

`

Friday 13 October

• grade homework
• combined conversions (mass <--> numbers)
• review chart
• e.g. 3-5 (p. 84)
• e.g. 70.8g Pb --> atoms
• Atomic Bingo!
• homework

• Test Tuesday 17 October

• p. 85 #2b,d 3c 5b 7b (in notes)
• p. 87 #17a,e 18a,c (in notes)