Silver is a metal in group IB of the periodic table with the atomic number 47 and an atomic weight of 107.87. Its density is 10.5 Mg/m 3 and its melting temperature is 960.8 C.. Silver's electronic ...

Atoms are made up of protons, neutrons, and electrons. The number of protons in one atom of an element is its atomic number. Hydrogen has one proton, so its atomic number is one. Carbon atoms have ...

Atomic Number and Atomic Mass: Get here the easy notes on atomic number and atomic mass for all the first 30 elements. Know how to calculate atomic mass using atomic number.