Silver
Atomic number 47 means that every Silver nucleus contains 47 protons. That proton count is the element's identity: change it and you no longer have Silver.
Start with the nucleus
Atomic number 47 means that every Silver nucleus contains 47 protons. That proton count is the element's identity: change it and you no longer have Silver.
Silver (Ag) is chemical element 47. It belongs to the transition metals, and its reference state at room temperature is a solid. Those basic facts are a useful starting point for its chemistry and applications.
In practice, it turns up most often in jewellery, electronics and solar cells.
See the atom
Conceptual visual: electron shells are a learning aid, not a literal picture of quantum orbitals.
What this number means
Atomic number 47 means that every Silver nucleus contains 47 protons. That proton count is the element's identity: change it and you no longer have Silver.