Carefully inspect this data to find trends, or patterns, in the properties of group 1 elements. ... so elements from this group typically exhibit a -1 oxidation state; Noble Gases . Atomic Size: From top to bottom in a group, the size of atom increases as a new shell to the atom. Click on an element to read about the chemical and physical properties of the group to which that element belongs. The Group 1 elements The group 1 elements in the periodic table are known as the alkali metals. Physical properties of the alkali metals Group 1 contains elements placed in a vertical column on the far left of the periodic table. The general electronic configuration of elements of group 1 is ns 1.They have a strong tendency to donate their valence electron in the last shell to … The alkali metals have their outermost electron in an s-orbital and this electronic configuration results in their characteristic properties. The elements in group 1 are called the alkali metals. It includes Lithium (Li), sodium (Na), potassium (K), rubidium (Rb), caesium (Cs) and francium (Fr). Group 1: Alkali metals. Atomic and Ionic Radii. PubChem is working with IUPAC to help make information about the elements and the periodic table machine-readable. Physical Properties Alkali Metals: Electronic Configuration: [noble gas] ns 1, where n represents the valence shell. Included in Group 1 of the periodic table, the following are the alkali metals: Lithium; Sodium; Potassium; Rubidium; Caesium; Alkali Metals Properties. These are similar to Group 17 (Halogens) in a way that, it attains noble gas configuration after losing its valence electron. They include lithium, sodium and potassium, which all react vigorously with air and water. The alkali metals provide the best example of group trends in properties in the periodic table, with elements … Table of Data for Group 1 Elements. Alkali Metals . They are known as s Block Elements as their last electron lies in the s-orbital. Valence Electrons(V.E) : Number of valence electrons in a group are same The properties of an element have periodic dependence on its atomic number but not on atomic weight. The table below gives the name, atomic number, electronic configuration of the atom, the first and second ionisation energy, melting point, density and electronegativity, of the Group 1 elements (alkali metals). Lithium, Sodium, Potassium, Rubidium, Caesium and Francium. Valence electrons are the outermost electrons and give elements a lot of their properties. A great summary about Group 1 in the Periodic table - The Alkali Metals. Essential Element … Characteristics of Group: The elements of a group show similar chemical properties but there is a gradual variation in the physical properties of the elements in a group. Chemical properties of Alkali Metals; Uses of Alkali Metals; Group 1 elements are known as Alkali Metals. All of the elements in group 1A have one valence electron, so that should be easy to remember! Flame tests are … 1.3.1 Compared to Group 1 Elements samabrhms11 2020-02-05T06:50:38+00:00 Difference in Properties between the Transition Metals & Group I Elements The transition elements are located between Groups II and III in the centre of the Periodic Table. Finally, IUPAC assigns collective names (lanthanoids and actinoids) and group numbering (1 to 18) and has investigated the membership of the group 3 elements. Group 1 Elements: Alkali Metals. The reactivity of the alkali metals increases down the group. This group lies in the s block of the periodic table. Alkali metals or Group 1A elements belong to a common group due to its ns 1 valence electronic configuration. The Difference Between an Element Group and Period. Attains noble gas configuration after losing its valence electron 1A have one valence electron their outermost in. 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