To show the oxidation number of such elements in a compound, either a prefix or a roman numeral is given in the name of the compound. Common Name: URANIUM HEXAFLUORIDE CAS Number: 7783-81-5 DOT Number: UN 2977 (greater than 1% U-235) UN 2978 (low specific activity) ----- HAZARD SUMMARY * Uranium Hexafluoride emits radioactive particles which can be breathed in, swallowed or can penetrate the skin. Atomic weight of uranium: 238,02891 Atomic weight of fluorine: 18,9984032 Molecular mass of UF6: ca. Hydrofluoric acid burns require immediate and specialized first aid and medical treatment. As the first line of defense against proliferation, accurate analytical techniques to determine the uranium isotopic distribution in UF6 are critical for materials verification, accounting, and safeguards at enrichment plants. Symptoms may be delayed for up to 24 hours. A compound is formed from two or more elements; examples: NaCl, H2SO4, UF6, H2O, etc.An element contain only one type of atoms (if we don't consider isotopes). UF6 7. XeF4 6. Find chemicals by name or formulas. UF6 is typically involved, and is arguably the most important uranium compound, in uranium enrichment processes. CO2 1.O2F2 2. Skin exposures can be treated with calcium gluconate. Remember, because it is a cation, when it reacts and forms a compound, it is cited first in the chemical formula. This reference contains the names of substances and descriptions of the chemical formulas (including the structural formula and the skeletal formula). S2Cl2 5. Assign oxidation numbers to each atom in the following compounds or ions: a. UF6 b. H2SO4 c. ClO3-d. H2O2 e. NH4+ Polyatomic ions with a positive 1 charge do occur, but the main one you'll encounter and need to know is the ammonium ion. Conditions such as hypocalcemia, hypomagnesemia and cardiac arrhythmias should be Uranium is a common naturally occurring and radioactive substance. Excerpt from ERG Guide 166 [Radioactive Materials - Corrosive (Uranium Hexafluoride / Water-Sensitive)]: Substance does not burn. I4O9 8. some elements have more than 1oxidation number. OF2 9. It is a normal part of rocks, soil, air, and water, and it occurs in nature in the form of minerals – but never as a metal. Give both names for the following compounds: a. UF5 b. UF6 c. SeCl2 d. Se2Cl2 I will give best answers to not the first person to get it but the person who gets it all right, Thanks! List of Uranium Compounds, Common Compounds of Uranium U, Formula, Molecular Weight UF6 upon exposure to air will generate hydrogen fluoride and uranyl fluoride. NO3 4. Uranium metal is silver-colored with a gray surface and is nearly as strong as steel.Natural uranium is a mixture of three types or isotopes called U-234/234U, U-235/235U and U-238/238U. This compound is UF6. cm −3: Melting point: 52 °C (126 °F; 325 K) Boiling point: 62 °C (144 °F; 335 K) Structure 352,04121 SO3 3. The material may react violently with fuels. Product will decompose to produce toxic and/or corrosive fumes. ammonium - NH 4 + !