. Just about every pion is made of a quark and an antiquark and it is therefore a meson. Pions are classified as the lightest mesons and, extra usually, the lightest hadrons. They are unstable, With all the billed pionsSaat kamu memasukkan alamat sesuai KTP, pastikan alamat yang kamu masukkan sudah sama persis dengan kolom 'Alamat' di KTP seperti y