1.

arrange the elements of the 3rd period and group 1A according to their decreasing ionization potential ​

Answer»

Periodic trends are specific PATTERNS that are present in the periodic table that ILLUSTRATE different aspects of a certain element, including its size and its ELECTRONIC properties. Major periodic trends include: electronegativity, ionization ENERGY, electron affinity, atomic radius, MELTING point, and metallic character. Periodic trends, arising from the arrangement of the periodic table, provide chemists with an invaluable tool to quickly predict an element's properties. These trends exist because of the similar atomic structure of the elements within their respective group families or periods, and because of the periodic nature of the elements.Explanation:HOPE IT WILL HELP YOU Mark as brainliest,follow=follow,thank,Inbox please



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