Reactions of Group 1 Elements with Water; Reactions of Group I Elements with Chlorine; Reactions of Group I Elements with Oxygen; Chemistry of Hydrogen (Z=1) Hydrogen is one of the most important elements in the world. Generally the melting point of the alkali metals decreases down the group. All the alkali metals react vigorously with halogens to produce salts, the most industrially important of which are NaCl and KCl. They include lithium, sodium and potassium, which all react vigorously with water to produce an alkaline solution. Created: Nov 5, 2020. pptx, 44 KB. About this resource. The Group 1 elements in the periodic table are known as the alkali metals. On heating, most of these hydrides decompose back into the metal and hydrogen before they melt. Group-1-Reactions. Preview and details Files included (1) pptx, 44 KB. The Reactions of the elements with Chlorine. The Reactions with Oxygen. Group-1-Reactions. They include lithium, sodium and potassium, which all react vigorously with water to produce an alkaline solution. Chemistry; It is, however, possible to melt lithium hydride and to electrolyse the melt. Learn vocabulary, terms, and more with flashcards, games, and other study tools. These cations are respectevely: Ag + , Pb 2+ , Hg 2 2+ . Electrolysis. The reactions of the Group 1 elementrs with chlorine are similar in appearance to the reactions of the Group 1 metals with oxygen.Sodium, for example, burns with an intense orange flame in chlorine in … Loading... Save for later. These are limited to the two reactions most likely to be wanted by UK A level syllabuses. Read more. This is because as the ions get larger the distance between the bonding electrons and the positive nucleus gets larger and reduces the overall attraction between the two. Group 1: The Alkali Metals. £1.50. The Group 1 elements in the periodic table are known as the alkali metals. Group 1 metals are very reactive, and must be stored out of contact with air to prevent oxidation. Info. Table worksheet for Group 1 reactions with water and oxygen for GCSE Chemistry. It is all around us. Group 1 cations includes those cations who selectively precipitates as chlorides by addition of diluted hydrochloric acid. The Reactions of the elements with Chlorine. Start studying Group 1 Anions (Reagents + Reactions). Start studying Group 1 Cations & Reactions. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Sodium, for example, burns with an intense orange flame in chlorine in … Categories & Ages. For similar reasons the electronegativity decreases. Report a problem. This is included on this page because of the similarity in appearance between the reactions of the Group 1 metals with chlorine and with oxygen. Reactions of the Group 1 hydrides. 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