When is an isotope unstable (radioactive)? 1. All Nuclei with Z > 84 are Unstable 2. Very stable isotopes have “magic” Z 2, 8, 20, 50, 82 or 126 3. Isotopes are stable in the “zone of stability” Anthropogenic Occuring Radionuclides Nuclear fission reactions atomic bombs (incl. waste from weapons production) nuclear fission reactor fuel […]
Atomic Electron Configurations and Chemical Periodicity – Dmitri Mendeleev In 1870, Dmitri Mendeleev began to organize the periodic table due to repeating patterns – mass one of the founders of the modern periodic table 1913 Mosley arranged it by number of protons (atomic number) 7.1 Pauli Exclusion Principle No two electrons in an atom can have […]
From: Taylor, Robert t Sent: Tuesday, March 15, 2011 2:32PM To: Wilson, George; Mathew, Roy; McConnell, Matthew Cc: ‘- -Hiland, Patrick; Skeen, David; Thomas, Eric; Sigmon, Rebecca; King, Mark Subject: RE: Battery Answer Thanks. From: Wilson, George Sent: Tuesday, March 15, 2011 2:32 PM To: Taylor, Robert; Mathew, Roy; McConnell, Matthew Cc: Hiland, Patrick; Skeen, […]
From:Sigmon, Rebecca Sent:Tuesday, March 15, 2011 2:08 PM To:Hasselberg, Rick Cc:King, Mark; Thomas, Eric Subject:Timelines for Daiichi Units 1 and 4 Attachments:2011 fukushima daiichi unit 1 timeline.doc; 2011 Fukushim-DaiichiUnit 4 Timeline.docx Rick, Attached are timelines for Units 1 and 4. Most of the information for Unit 1 came from the press releases put out by […]
From:Schaperow, Jason Sent:Monday, March 21, 2011 4:37 PM To:Santiago, Patricia Subject:emails FYI. I received about 65 emails today. I think that is a new record for me.
From: Schaperow, Jason Sent: Monday, March 21, 2011 2:54 PM To: Zigh, Ghani Subject: RE: Op Center request Thanks. From: Zigh, Ghani Sent: Monday, March 21, 2011 2:50 PM To: Santiago, Patricia; Schaperow, Jason; Navarro, Carlos; Tinkler, Charles Cc: Scott, Michael; Lee, Richard; Chang, Richard; Wagner, Katie Subject: RE: Op Center request Yes, I responded […]
From: Schaperow, Jason Sent: Friday, March 18, 2011 10:38 AM To: Navarro, Carlos Subject: Request I need to go home now, because I have to be in the Ops Center from 3:00 p.m. to 11:00 p.m. Please email me whatever you come up with by 11:00. (Please don’t spend more than an hour on this total.) […]
[tabgroup] [tab title=”Impact on Nuclear Industry in United States”] •TEPCO immediately pulled out of South Texas Project, which had been leading candidate for DOE loan guarantees •Other leading projects (Vogtle and Summer) continue moving forward •Most other projects already delayed before Fukushima because of changing economics •Obama Administration continues to support nuclear power as part […]