![]() ![]() ![]() It can also be used to obtain information on the. The data provided by the reactivity series can be used to predict whether a metal can displace another in a single displacement reaction. Note that there is no clear division between metallic and non-metallic character. The reactivity series of metals, also known as the activity series, refers to the arrangement of metals in the descending order of their reactivities. Fluorine gas reacts explosively with many other elements and compounds, and is considered to be one of the most dangerous known substances. It is not found in nature as a free element. Since the noble gases are a special group because of their lack of reactivity, the element fluorine is the most reactive nonmetal. The most reactive nonmetals reside in the upper right portion of the periodic table. Four major factors affect reactivity of metals: nuclear charge, atomic radius, shielding effect and sublevel arrangement (of electrons). Nonmetals tend to gain electrons in chemical reactions, and have a high attraction for electrons within a compound. The elements within the same group of the periodic table tend to exhibit similar physical and chemical properties. ![]() In addition, the atomic radius increases going down a group, placing the outer electrons further away from the nucleus and making that electron less attracted by the nucleus. Since the ionization energy decreases going down a group (or increases going up a group), the increased ability for metals lower in a group to lose electrons makes them more reactive. Reactivity of Metals Reactivity of Nonmetals Melting and Boiling Points. There are distinct patterns in the periodic table that show different. The metallic character increases as you go down a group. Metals reactivity increases as they go to the left and lower in a period. Reactivity of metals is based on processes such as the formation of halide compounds with halogens, and how easily the element displaces hydrogen from dilute acids. Some elements are unreactive and need energy putting in. (Credit: User:Mirek2/Wikimedia Commons Source: Commons Wikimedia, Periodic Trends(opens in new window) License: Public Domain) Reactivity is a measure of how easily an element will combine with other elements to form compounds. ![]()
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