Q: What's the atomic number, symbol, and weight for "#" ? A: # Hydrogen#1 H 1.0079 Helium#2 He 4.00260 Lithium#3 Li 6.941 Beryllium#4 Be 9.01218 Boron#5 B 10.81 Carbon#6 C 12.011 Nitrogen#7 N 14.00674 Oxygen#8 O 15.9994 Fluorine#9 F 18.998403 Neon#10 Ne 20.179 Sodium#11 Na 22.98977 Magnesium#12 Mg 24.305 Aluminum#13 Al 26.98154 Silicon#14 Si 28.086 Phosphorus#15 P 30.97376 Sulfer#16 S 32.06 Chlorine#17 Cl 35.453 Argon#18 Ar 39.948 Potassium#19 K 39.098 Calcium#20 Ca 40.08 Scandium#21 Sc 44.9559 Titanium#22 Ti 47.90 Vanadium#23 V 50.9414 Chromium#24 Cr 51.996 Manganese#25 Mn 54.9380 Iron#26 Fe 55.847 Cobalt#27 Co 58.9332 Nickel#28 Ni 58.70 Copper#29 Cu 63.546 Zinc#30 Zn 65.38 Gallium#31 Ga 69.72 Germanium#32 Ge 72.59 Arsenic#33 As 74.9216 Selenium#34 Se 78.96 Bromine#35 Br 79.904 Krypton#36 Kr 83.80 Rubidium#37 Rb 85.4678 Strontium#38 Sr 87.62 Yttrium#39 Y 88.9059 Zirconium#40 Zr 91.22 Niobium#41 Nb 92.9064 Molybdenum#42 Mo 95.94 Technetium#43 Tc 97 Ruthenium#44 Ru 101.07 Rhodium#45 Rh 102.9055 Palladium#46 Pd 106.4 Silver#47 Ag 107.868 Cadmium#48 Cd 112.40 Indium#49 In 114.82 Tin#50 Sn 118.69 Antimony#51 Sb 121.75 Tellurium#52 Te 127.60 Iodine#53 I 126.9045 Xenon#54 Xe 131.30 Cesium#55 Cs 132.9054 Barium#56 Ba 137.34 Lanthanum#57 La 138.9055 Cerium#58 Ce 104.12 Praseodymium#59 Pr 104.9077 Neodymium#60 Nd 144.24 Promethium#61 Pm 145 Samarium#62 Sm 150.4 Europium#63 Eu 151.96 Gadolinium#64 Gd 157.25 Terbium#65 Tb 158.9254 Dysprosium#66 Dy 162.50 Holmium#67 Ho 164.9304 Erbium#68 Er 167.26 Thulium#69 Tm 168.9342 Ytterbium#70 Yb 173.04 Lutetium#71 Lu 174.97 Hafnium#72 Hf 178.49 Tantalum#73 Ta 180.9479 Tungsten#74 W 183.5 Rhenium#75 Re 186.207 Osmium#76 Os 190.2 Iridium#77 Ir 192.22 Platinum#78 Pt 195.09 Gold#79 Au 196.9665 Mercury#80 Hg 200.59 Thallium#81 Tl 204.37 Lead#82 Pb 207.2 Bismuth#83 Bi 208.9804 Polonium#84 Po 209 Astatine#85 At 210 Radon#86 Rn 222 Francium#87 Fr 223 Radium#88 Ra 226.0254 Actinium#89 Ac 227 Thorium#90 Th 232.0381 Protactinium#91 Pa 231.0359 Uranium#92 U 238.029 Neptunium#93 Np 237.0482 Plutonium#94 Pu 244 Americium#95 Am 243 Curium#96 Cm 247 Berkelium#97 Bk 247 Californium#98 Cf 251 Einsteinium#99 Es 252 Fermium#100 Fm 257 Mendelevium#101 Md 258 Nobelium#102 No 259 Lawrencium#103 Lr 262 Rutherfordium#104 Rf/Ku 261 Dubnium#105 Db 262 Seaborgium#106 Sg 263 Bohrium#107 Bh 262 Hassium#108 Hs 265 Meitnerium#109 Mt 265