Periodic Table Of Elements 2024. The table is comprised of seven rows (called periods), 18 columns (called groups or families). The noble gases—helium, neon, argon, krypton, xenon, radon, and oganesson—have the striking chemical property of forming few chemical compounds.
The table is comprised of seven rows (called periods), 18 columns (called groups or families). With this result, experiments at gsi/fair now provide data on the three superheavy elements 113, 114, and 115, allowing for a reliable classification of their properties and an assessment of the structure of the periodic table in this extreme region.
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