Question

atomic radii for first 20 elements​

Answer 1

Helium 31 pm,Cadmium 161 pm, Praseodymium 247 pm,
Neon 38 pm, Silver 165 pm, Barium 253 pm,
Fluorine 42 pm, Chromium 166 pm, Rubidium 265 pm,
Oxygen 48 pm, Lithium 167 pm, Cesium 298 pm,
Hydrogen 53 pm Palladium 169 pm Lanthanum N/A
Nitrogen 56 pm Vanadium 171 pm Cerium N/A
Carbon 67 pm Mercury 171 pm Francium N/A
Argon 71 pm Rhodium 173 pm Radium N/A
Chlorine 79 pm Gold 174 pm Actinium N/A
Boron 87 pm Titanium 176 pm Thorium N/A
Sulfur 87 pm Platinum 177 pm Protactinium N/A
Krypton 87 pm Ruthenium 178 pm Uranium N/A
Bromine 94 pm Iridium 180 pm Neptunium N/A
Phosphorus 98 pm Technetium 183 pm Plutonium N/A
Selenium 103 pm Scandium 184 pm Americium N/A
Xenon 108 pm Osmium 185 pm Curium N/A
Silicon 111 pm Rhenium 188 pm Berkelium N/A
Beryllium 112 pm Sodium 190 pm Californium N/A
Arsenic 114 pm Molybdenum 190 pm Einsteinium N/A
Iodine 115 pm Tungsten 193 pm Fermium N/A
Aluminum 118 pm Calcium 194 pm Mendelevium N/A
Radon 120 pm Niobium 198 pm Nobelium N/A
Tellurium 123 pm Tantalum 200 pm Lawrencium N/A
Germanium 125 pm Promethium 205 pm Rutherfordium N/A
Astatine 127 pm Zirconium 206 pm Dubnium N/A
Antimony 133 pm Neodymium 206 pm Seaborgium N/A
Polonium 135 pm Hafnium 208 pm Bohrium N/A
Gallium 136 pm Yttrium 212 pm Hassium N/A
Zinc 142 pm Lutetium 217 pm Meitnerium N/A
Bismuth 143 pm Strontium 219 pm Darmstadtium N/A
Magnesium 145 pm Thulium 222 pm Roentgenium N/A
Copper 145 pm Ytterbium 222 pm Copernicium N/A
Tin 145 pm Terbium 225 pm Nihonium N/A
Nickel 149 pm Holmium 226 pm Flerovium N/A
Cobalt 152 pm Erbium 226 pm Moscovium N/A
Lead 154 pm Dysprosium 228 pm Livermorium N/A
Iron 156 pm Europium 231 pm Tennessine N/A
Indium 156 pm Gadolinium 233 pm Oganesson N/A
Thallium 156 pm Samarium 238 pm
Manganese 161 pm Potassium 243 pm

Answer 2

aNsWeRs ⤵⤵⤵

Atomic radius chart provided above .

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