/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: yogidwiantoro https://public.slidesharecdn.com/v2/images/profile-picture.png saya bukanlah unsur gas mulia yang sempurna.. saya seperti unsur halogen.. membutuhkan unsur lain agar bisa stabil..