ID 194213717 © Lauraboffardi | Megapixl.com
Sharing is not just caring, it's also about giving credit - add this image to your page and give credit to the talented photographer who captured it.:
atoms chemical chemistry chromium education electron elements gas hafnium lab laboratory lanthanoids material mendeleev metals molecule molybdenum neutron niobium nobel periodic phd physics proton reactions research samples scandium school science scientist solid symbol table tantalum titanium transition tungsten vanadium yttrium zinconium