gold summary

Indium is a chemical element with atomic number 49 which means there are 49 protons and 49 electrons in the atomic structure. Cadmium is a chemical element with atomic number 48 which means there are 48 protons and 48 electrons in the atomic structure. Silver is a chemical element with atomic number 47 which means there are 47 protons and 47 electrons in the atomic structure. Palladium is… Continue reading gold summary