1. Physical and mechanical properties of tin

1.1 Atomic and crystalline properties

— Atomic number 50.

— Atomic mass 118.7.

— Mean atomic radius 0.158 nm.

— Ion rays Sn ²⁺ 0.093 nm and Sn ⁴⁺ 0.074 nm.

— Electronic configuration of the ground-state atom: 1s ² 2s ² 2p ⁶ 3s ² 3p ⁶ 3d ¹⁰ 4s ² 4p ⁶ ...