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Title: Seka boron
Content: Seka boron inggih punika datu kimia golongan 13 utawi IIIA ring tabél périodik. Golongan puniki taler kaloktah dados golongan ikosagén utawi triél (saking kruna Yunani tri sané maartos tiga). Golongan puniki madaging makidang datu luiré boron (B), aluminium (Al), gallium (Ga), indium (In), thallium (Tl), miwah datu sintétis sané radioaktip nihonium (Nh).

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