Eliminating Sulfur, Technetium, Vanadium, Berkelium and Chlorine
Leaving:
Rubidium
Cesium
Beryllium
Magnesium
Calcium
Radium
Gallium
Indium
Thallium
Boron
Silicon
Tellurium
Polonium
Hydrogen
Nitrogen
Phosphorus
Selenium
Fluorine
Astatine
Lanthanum
Cerium
Neodymium
Promethium
Samarium
Europium
Gadolinium
Terbium
Holmium
Erbium
Thulium
Lutetium
Actinium
Thorium
Uranium
Neptunium
Plutonium
Americium
Curium
Californium
Einsteinium
Fermium
Mendelevium
Nobelium
Lawrencium
Helium
Argon
Krypton
XenonRadon
Scandium
Titanium
Chromium
Manganese
Iron
Cobalt
Nickel
Copper
Zinc
Zirconium
Niobium
Ruthenium
Rhodium
Palladium
SilverCadmium
Rhenium
Osmium
Iridium
Mercury