ocr: Pasexis Lele B une semienl de & à> Element Name: H t - H H F Chemical Symbol: Heat of Fusion (kJ/mole): - H TTHTL Atomic Number: Heat of Vaporization kJmole): - de 41 Atomic Weight: Electro-negativity: 19 Crystal Structure: 2U Zr Valence Group: Isotope % Abundance 91.22 46 Density (gm/cc): - 29 Atomic Volme (cchmole):" - Melting Point ("K): Boiling Point (°K): E Covalent Radius (A):0 11 Atomic Radius (À): Atomic Volme (cchmole): * 1st lonization Potential (Volts): 13 Electrical Conductivity (10°6/ohn-cm): 16 Specific Heat (Wiom K):" ) Thermal Conductivity (J/gm OK): S dps fdps II tops - dps PS ...