222Rn is an unstable nucleus that is hazardous. Several pathways are known for its decomposition. One is α–β–α–β–α–β–β. The product nuclide is       210Tl.   210Pb.   210Po.   214Po.   206Tl.

4. Be + Fission or fusion 5. 238 U → 92 128 Te + 52 Fission or fusion 56 Fe + 26 59 Ni → 28 6. Fission or fusion 7. 262 Db → 105 96 Мо + 42 28 Si + 14 Fission or fusion 8. 108 265 Hs → 16 O + Be + Fission or fusion

Fire a neutron into the U-235 nucleus with the “neutron gun”. What happens to the potential energy of the nucleus when it first combines with the neutron? What happens to the stability of the nucleus?

What type of bonding is present here? Alpha Beta

Mode of Isotope Decay Half-life Use in Medical Imaging B+,Y B+, Y Brain scan to trace glucose metabolism Brain scan to trace glucose metabolism Detect eye tumors Diagnose albinism, image the spleen and gastrointestinal tract Bone marrow function, diagnose anemias Whole-body scan for tumors Pancreas scan Lung ventilation scan Scan for bone diseases, including cancer Brain, liver, kidney, bone scans; diagnosis of damaged heart muscle Diagnosis of thyroid malfunction Kidney scan Heart scan and exercise stress test Carbon-11 Fluorine-18 20.3 m 18F P Cr 2Fe SGa Se 8Kr 109 m 14.3 d Phosphorus-32 Chromium-51 Iron-59 Е.С., у В, у E.C., y Е.С., у 27.7 d 44.5 d Gallium-67 78.3 h Selenium-75 Krypton-81m Strontium-81 118 d 13.3 s 22.2 m 9m Te 6.01 h 8.04 d Technetium-99m 1Hg 201TI Iodine-131 Mercury-197 Thallium-201 В, у E.C., Y E.C., y 64.1 h 3.05 d (1) The radioactive isotope carbon-11 is used in medical imaging as indicated on the table above. How many protons and neutrons are there in a…

1. I want to know where all the alpha carbon is for #2 2. What are the intermediate(s) for both 1 and 2?

Calculate the energy released (in J) from the following nuclear reaction: 국H + 3H→He + 할 H = = 1.007 825 032 24 amu H = 2.014 101 778 11 amu H = 3.016 049 281 99 amu

Calculate the mass defect ∆m for the formation of berrylium nucleus from its constituent protons and neutrons:4 1₁p + 3 1₀n → 7₄BeUse the data on the comprehensive formula sheet and the atomic weight of Be is 7.00261 amu to find ∆m for this process. Note that Be has 4 electrons.

Phosphorous-32 is a beta emitter. What would its transmutation product be?

Write the β nuclear equation of c-14. Explain the origin and the nature of the β particle. Why is radiation used in food industry and is it safe to consume irradiated food? Why is carbon dioxide considered to be one of the greenhouse gases