Grupos de miembros

  • Logo del grupo Chemistry
    Grupo privado
    activa hace 7 meses, 3 semanas

    Hank does his best to convince us that chemistry is not torture, but is instead the amazing and beautiful science of stuff. Chemistry can tell us how three tiny particles – the proton, neutron and electron – come […]

    Grupo privado  / 2 members


Foto del perfil de vet.gonzalezrivas


activo hace 6 meses, 1 semana