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.
International relations (IR) or international affairs, depending on academic institution, is either a field of political science or an interdisciplinary academic field similar to global studies, in which students take a variety of internationally focused courses in social science and humanities disciplines.he history of international relations can be traced back to thousands of years ago; Barry Buzan and Richard Little, for example, consider the interaction of ancient Sumerian city-states, starting in 3,500 BC, as the first fully-fledged international system.