Overview of Element Groups: Reactivity and Electron Configuration Explained
This article explores different groups of elements in the periodic table, highlighting their properties and reactivity based on their electron configuration. Group 1 (Alkali Metals) includes highly reactive metals like Lithium and Sodium, while Group 2 (Alkaline-Earth Metals) shows slightly lesser reactivity. Transition metals, non-metals, and noble gases each have unique characteristics, ranging from the reactivity of Halogens in Group 17 to the inert nature of Noble Gases in Group 18. Understanding these groups is crucial for studying chemical behavior and reactions.
Overview of Element Groups: Reactivity and Electron Configuration Explained
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Presentation Transcript
By: C. Howe Different Element Groups
Elements: Lithium, Sodium, Potassium, Rubidium, Cesium, and Franium This group contains metals There is one electron in the outer level They are very reactive Group One: Alkai Metals
Elements: Beryllium, Magnesium, Calcium, Strontium, Barium, Radium This group contains metals There are two electrons in the outer level They are very reactive, but less reactive than Alkali Metals Group 2: Alkaline-Earth metals
This group contains metals There can be one or two electrons in the outer level They are less reactive than Alkaline-Earth metals Groups 3- 12: Transition Metals
Elements: Boron, Aluminum, Gallium, Indium, Thallium, Ununtrium This group contains one metalloid and five metals They are reactive Group 13: Boron Group
Elements: Carbon, Silicon, Germanium, Tin, Lead, Ununquadium This group contains one non-metal, two metalloids, and three metals There are four electrons in the outer level The reactivity varies among the elemets Group 14: Carbon Group
Elements: Nitrogen, Phosphorus, Arsenic, Antimony, Bismuth, Ununpentium This group contains two non-metals, two metalloids, and two metals The reactivity varies among the elements There are five electrons in the outer level Group 15: Nitrogen group
Elements: Oxygen, Sulfur, Selenium, Tellurium, Polonium This group contains three non-metals, one metalloid, and one metal There are six electrons on the outer level They are reactive Group 16: oxygen group
Elements: Fluorine, Chlorine, Bromine, Iodine, Astatine This group contains non-metals There are seven electrons in the outer level They are very reactive Group 17: Halogens
Elements: Helium, Neon, Argon, Krypton, Xenon, Radon This group contains non-metals There are eight electrons in the outer level (except for Helium, which has two) They are unreactive Group 18: Noble Gases
Element: Hydrogen This element is reactive There is one electron in the outer level Hydrogen
