I just found a very old code of mine from the time when i started to code.

Insereaza in tabel

Nume Element Nr atomic Z Masa Atomica Simbol
Hidrogen 1 1.008 H
Heliu 2 4.003 He
Litiu 3 6.941 Li
Beriliu 4 9.012 Be
Bor 5 10.81 B