test

struct Element
{
    unsigned char nom[14]; // le nom
    unsigned char symbol[4]; // le symbole

    unsigned int groupe : 3;
    unsigned int periode : 5;
    unsigned int valence : 4;
    unsigned int masse_mol : 20;

    unsigned int electro_neg :9;
    unsigned int famille : 4;
    unsigned int etat : 3;

    unsigned char config_electro[7];// la config électronique
}