As described in Section 7.7, the alkali metals react withhydrogen to form hydrides and react with halogens to formhalides. Compare the roles of hydrogen and halogens inthese reactions. Write balanced equations for the reaction offluorine with calcium and for the reaction of hydrogen withcalcium. (b) What is the oxidation number and electronconfiguration of calcium in each product?

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Group 13 Elements

In the periodic table, group 13 elements exist in the first p-block. There are six elements present in group 13, which include boron (B), aluminum (Al), gallium (Ga), indium (In), thallium (Tl), and element 113 (ununtrium, (Uut)). Group 13 elements are also designated as the boron family.