page_title: Pekka Pyykkö
hierarchical_section_title: Pekka Pyykkö
caption_attribution_description: English: Photograph of the Finnish chemist Pekka Pyykkö (1941–).
context_page_description: Veli Pekka Pyykkö is a Finnish academic. He is professor of Chemistry at the University of Helsinki. From 2009–2012, he was the chairman of the International Academy of Quantum Molecular Science. He is known for his extension to the periodic table of elements, known as the Pyykkö model.
context_section_description: Veli Pekka Pyykkö (born October 12, 1941) is a Finnish academic. He is professor of Chemistry at the University of Helsinki. From 2009–2012, he was the chairman of the International Academy of Quantum Molecular Science. He is known for his extension to the periodic table of elements, known as the Pyykkö model.
caption: Pekka Pyykkö in 1991.
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