Search for tag: "atoms"

14 Media

CHEM 110 4/17/24 duration 48 minutes 31 seconds CHEM 110 4/17/24 CHEM 110 4/17/24	CHEM 110 4/17/24 Nuclear fission: chain reactions, critical mass, and World War II uranium neutrons reaction neutron mass bomb war plutonium chain energy lot element nuclei discovery fusion fission atoms target weapons From Katharine Tibbetts 0 plays 0
CHEM 110 4/15/24 duration 47 minutes 8 seconds CHEM 110 4/15/24 CHEM 110 4/15/24	CHEM 110 4/15/24 Artificial nuclear reactions and discovery of new elements mass energy side charges neutrons uranium times experiments reaction elements charge particles decay 60s accounting alpha carbon reactions element atoms From Katharine Tibbetts 0 plays 0
CHEM 110 4/10/24 duration 46 minutes 23 seconds CHEM 110 4/10/24 CHEM 110 4/10/24	CHEM 110 4/10/24 Half life and radionuclide dating with calculation examples carbon sample decay uranium age grams amount lead equation half times atmosphere ratio tails nucleus log lot radiation atoms From Katharine Tibbetts 0 plays 0
CHEM 110 4/8/24 duration 46 minutes 42 seconds CHEM 110 4/8/24 CHEM 110 4/8/24	CHEM 110 4/8/24 Introduction to nuclear chemistry uranium protons carbon elements decay atoms particles alpha mass types neutrons energy isotopes reactions isotope process sample element half From Katharine Tibbetts 0 plays 0
CHEM 110 3/25/24 duration 45 minutes 57 seconds CHEM 110 3/25/24 CHEM 110 3/25/24	CHEM 110 3/25/24 Introduction to redox chemistry electrons reaction copper iron ions atom charge atoms silver metal aluminum charges ion unit side oxygen reactions electron sodium zinc From Katharine Tibbetts 0 plays 0
CHEM 110 3/15/24 duration 46 minutes 53 seconds CHEM 110 3/15/24 CHEM 110 3/15/24	CHEM 110 3/15/24 Excited states and absorption/emission processes in atoms and molecules energy light electrons electron atoms spin wave levels gap photon length lot atom wavelengths types neon week lines iron properties From Katharine Tibbetts 0 plays 0
CHEM 110 3/13/24 duration 47 minutes 18 seconds CHEM 110 3/13/24 CHEM 110 3/13/24	CHEM 110 3/13/24 Electron configurations in atoms according to the quantum mechanical model electrons energy electron spin orbitals configuration lot atom wind iron magnets spins field atoms model protons elements shell direction From Katharine Tibbetts 0 plays 0
CHEM 110 3/11/24 duration 47 minutes 50 seconds CHEM 110 3/11/24 CHEM 110 3/11/24	CHEM 110 3/11/24 Recap of unit 3, review of atom models, introduction to quantum mechanics electrons model orbitals electron probability energy atoms mechanics equation atom position levels hydrogen unit wave class uncertainty elements particles chemistry From Katharine Tibbetts 0 plays 0
CHEM 110 2/2/24 duration 47 minutes 3 seconds CHEM 110 2/2/24 CHEM 110 2/2/24	CHEM 110 2/2/24 Combustion chemistry; how different fuels compare in CO2 emissions gas methane molecules energy combustion carbon fuel side coal molecule hydrogens hydrogen water amount atmosphere oxygens atoms reaction lot temperature From Katharine Tibbetts 1 plays 0
CHEM 110 1/31/24 duration 47 minutes 19 seconds CHEM 110 1/31/24 CHEM 110 1/31/24	CHEM 110 1/31/24 Covalent bonding, polar/non-polar molecules, why CO2 is a greenhouse gas molecule water electrons molecules light dipole oxygen carbon frequency bond atoms charge atmosphere atom earth electronegativity stretch numbers types From Katharine Tibbetts 0 plays 0
CHEM 110 1/29/24 duration 46 minutes 25 seconds CHEM 110 1/29/24 CHEM 110 1/29/24	CHEM 110 1/29/24 Lewis structures, ionic and covalent compounds. Info about the quiz on unit 1. electrons bond atom charge atoms oxygen electron charges class nitrogen calcium carbon molecules valence quiz structures hydrogen chlorine ion compound From Katharine Tibbetts 0 plays 0
CHEM 110 1/26/24 duration 47 minutes 20 seconds CHEM 110 1/26/24 CHEM 110 1/26/24	CHEM 110 1/26/24 Periodic trends, valence electrons, and Lewis structures. With tips on using Möbius for homework at the beginning. electrons energy valence electron atoms atom model sodium covalent bonding shell structure metal table oxygen hydrogen level trends metals elements From Katharine Tibbetts 0 plays 0
CHEM 110 1/24/24 duration 48 minutes 33 seconds CHEM 110 1/24/24 CHEM 110 1/24/24	CHEM 110 1/24/24 Light, absorption, emission, how all of the elements were formed starting with the Big Bang elements energy light atoms helium stars wavelengths universe hydrogen frequency protons wavelength radius earth neutrons metals element table iron mass From Katharine Tibbetts 2 plays 0
CHEM 110 1/19/24 duration 48 minutes 58 seconds CHEM 110 1/19/24 CHEM 110 1/19/24	CHEM 110 1/19/24 Building blocks of the atom; units and measurement; introduction to energy. And Madame Lavoisier energy particles units electrons atom protons meters charge unit alpha atoms neutrons table thing experiments nucleus model chemistry length nanometers From Katharine Tibbetts 2 plays 0