Halogen
Group IA or group 1 elements are known as alkali metals.
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Francium is a member of the alkali metals family (group 1 in the Mendeleev periodic table of the elements): Li, Na, K, Rb, Cs, Fr.
The elements (not atoms) in family 1 (group I) are called alkali metals.
Elements in family 1 (alkali metals) are highly reactive, readily losing electrons to form cations with a +1 charge. Elements in family 18 (noble gases) are inert and have very low reactivity because they have a full outer electron shell, making them stable and unlikely to form chemical bonds.
The alkali metals family correctly labels the elements in group 1 on the periodic table. This group includes elements such as lithium, sodium, and potassium.
The first family (Group 1) are the alkali metals.
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The general name given to the elements of Group IA (1) is alkali metals.
Elements in the same family (or group) have the same amount of electrons in their outer shell. For Example, all elements in Group 1 have 1 electron in their outer shells.
Pretty much any Group 1(Alkali metals) and Group 2(Alkaline Earth Metal) will form a salt when bonded with a nonmetal(right hand side of periodic table). Some transition metals also make salts.
The family name for lithium, sodium, potassium, rubidium, and caesium is the alkali metals. These elements are all found in Group 1 of the periodic table and share similar chemical properties, such as being highly reactive and easily forming ionic compounds.