Alkali Metals. 1  less dense than other metals. 2  one loosely bound valence electron. 3  highly reactive, with reactivity increasing moving down the group. 4  largest atomic radius of elements in their period. 5  low ionization energy. 6  low electronegativity.
At International Experience, we believe that learning about other cultures, languages, and customs is the best way to dispel prejudices and embrace global citizenship.
The definition of user experience. The exact definition, as outlined by the International Organization for Standardization, is a âpersonâs perceptions and responses resulting from the use and or anticipated use of a product, system or service.â.