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Lit objects that we see in color reflect at us the light of that 2, absorbing the rest of white light. ... Compare: < or >? Mgreen) (violet) (violet) green) Morange) (blue) Hred) yellow) c(blue) c(green) Light source RI

Lit objects that we see in color reflect at us the light of that 2, absorbing the rest of white light. ... Compare: < or >? Mgreen) (violet) (violet) green) Morange) (blue) Hred) yellow) c(blue) c(green) Light source RI

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Chapters 7 & 8: Atomic Structure & Chemical Periodicity To Look Inside the Atom We Need Light • In 1869 Dmitry Mendeleev discovered the Periodic Law: When the elements are ordered in their Z = to a charged particle, atomic number highly specific properties reappear! ...at same intervals-periodically. "+" feels like: " "+" electric field 1 2 H He Li Be BCNO F Ne Na Mg Al Si 3 4 5678910 11 12 13 14 15 16 17 18 1920 0.5 s ?troughrest S CIAr| K Ca > v = 6 Hz "_" • Light is not matter... It is a moving wave of electric and magnetic fields, called electromagnetic radiation (EMR). As any wave, "" Wrap elements in rows of 8: → Witness these common All elements have their traits define the columns! own kin family = group it has distance traveled in m, nm N(cycles) Не Wavelength: 1 = distance per cycle %D > Call it the periodic table. Frequency: v = Amplitude: the wave height, = intensity, energy 3. 4 7. N(cycles) over time in 1/s = Hz, Hert 8. 6. 10 • Quantum mechanics theory had to be developed since to explain ... much about our Universe. It says: Li Ве F Ne Waves on water, sound, etc Light waves are pure energy by itself: a "flying Coulombic force "?E move indefinitely without any matter 11 12 13 14 15 16 17 18 - are matter with kinetic energy. Na Mg Al Si CI | Ar 19 20 = Atoms must be built.. How e s exist in atoms » All EMR waves travel in vacuum at the speed of light: ... causes chemical periodicity Са in a system! C = 299792458 m/s = 3 x 108 m/s and all else in chemistry!MO MO|M,03 MO, XH3 XH, XH Ø · Lecture WS 7+8: The Quantum-Mechanical Model of the Atom, and Periodic Properties of the Elements. Turn in by the due date posted in Canvas. .1. Write in pencil! Solve the problems, fill in the blanks, and pick options in each slide that has them. Name:Ouirora Roa tioreno 2. When you get this back, look closely for my marks: erase as needed and fix up everything (take a picture first - do not repeat mistakes!) .3. If the score at the end is not final (not in a circle), you may resubmit your fully corrected work for a regrade. C = 1 x v vt as 1 vy as At V = = 30 pts. We Know Light Has Many Kinds: N's The Full Spectrum of Electromagnetic Radiation (EMR) • Our eyes can distinguish several N's of visible light as colors: hv hv Wavelength hv Red Orange Yow hv hv Low Green Blue Indigo Violet hv High energy 10 (meters) energy 2, nm - 750620 580 530 470 450 420 10 10 10 10-a 10-7 10 10 10-15 • White light is polychromatic: a sum of monochromatic waves. Dispersion of white light separates it into the colors we see: Uitraviolet ... to us dangerous! Įrefraction Lit objects that we see in color reflect at us the light of that A, absorbing the rest of white light. Visible light ... Red Slit A 750 Red 700 650 600 S50 500 450 400 nm Prism E = h.v =hXC_ 2. Violet C = = 소 x L Compare: < or >? Mgreen) Kviolet) Morange) a(blue) Kred) c(blue) c(green) Light source White light contains the entire spectrum of visible colors. (violet) Mgreen) • All light is EMR, travels in vacuum at c = 3 x 108 m/s. R. Y EMR carries energy set by its frequency v as: E = hv h = 6.62606957(29) × 10-34 J.s is Planck's constant Violet yellow) M Each "hv" is a photon: the smallest bit of E for a v Gamma rays X-rays radiation Infrared O radiation Microwaves Radio waves LO M
Transcribed Image Text:Chapters 7 & 8: Atomic Structure & Chemical Periodicity To Look Inside the Atom We Need Light • In 1869 Dmitry Mendeleev discovered the Periodic Law: When the elements are ordered in their Z = to a charged particle, atomic number highly specific properties reappear! ...at same intervals-periodically. "+" feels like: " "+" electric field 1 2 H He Li Be BCNO F Ne Na Mg Al Si 3 4 5678910 11 12 13 14 15 16 17 18 1920 0.5 s ?troughrest S CIAr| K Ca > v = 6 Hz "_" • Light is not matter... It is a moving wave of electric and magnetic fields, called electromagnetic radiation (EMR). As any wave, "" Wrap elements in rows of 8: → Witness these common All elements have their traits define the columns! own kin family = group it has distance traveled in m, nm N(cycles) Не Wavelength: 1 = distance per cycle %D > Call it the periodic table. Frequency: v = Amplitude: the wave height, = intensity, energy 3. 4 7. N(cycles) over time in 1/s = Hz, Hert 8. 6. 10 • Quantum mechanics theory had to be developed since to explain ... much about our Universe. It says: Li Ве F Ne Waves on water, sound, etc Light waves are pure energy by itself: a "flying Coulombic force "?E move indefinitely without any matter 11 12 13 14 15 16 17 18 - are matter with kinetic energy. Na Mg Al Si CI | Ar 19 20 = Atoms must be built.. How e s exist in atoms » All EMR waves travel in vacuum at the speed of light: ... causes chemical periodicity Са in a system! C = 299792458 m/s = 3 x 108 m/s and all else in chemistry!MO MO|M,03 MO, XH3 XH, XH Ø · Lecture WS 7+8: The Quantum-Mechanical Model of the Atom, and Periodic Properties of the Elements. Turn in by the due date posted in Canvas. .1. Write in pencil! Solve the problems, fill in the blanks, and pick options in each slide that has them. Name:Ouirora Roa tioreno 2. When you get this back, look closely for my marks: erase as needed and fix up everything (take a picture first - do not repeat mistakes!) .3. If the score at the end is not final (not in a circle), you may resubmit your fully corrected work for a regrade. C = 1 x v vt as 1 vy as At V = = 30 pts. We Know Light Has Many Kinds: N's The Full Spectrum of Electromagnetic Radiation (EMR) • Our eyes can distinguish several N's of visible light as colors: hv hv Wavelength hv Red Orange Yow hv hv Low Green Blue Indigo Violet hv High energy 10 (meters) energy 2, nm - 750620 580 530 470 450 420 10 10 10 10-a 10-7 10 10 10-15 • White light is polychromatic: a sum of monochromatic waves. Dispersion of white light separates it into the colors we see: Uitraviolet ... to us dangerous! Įrefraction Lit objects that we see in color reflect at us the light of that A, absorbing the rest of white light. Visible light ... Red Slit A 750 Red 700 650 600 S50 500 450 400 nm Prism E = h.v =hXC_ 2. Violet C = = 소 x L Compare: < or >? Mgreen) Kviolet) Morange) a(blue) Kred) c(blue) c(green) Light source White light contains the entire spectrum of visible colors. (violet) Mgreen) • All light is EMR, travels in vacuum at c = 3 x 108 m/s. R. Y EMR carries energy set by its frequency v as: E = hv h = 6.62606957(29) × 10-34 J.s is Planck's constant Violet yellow) M Each "hv" is a photon: the smallest bit of E for a v Gamma rays X-rays radiation Infrared O radiation Microwaves Radio waves LO M
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