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 International Experience. What U.S. schools can and cannot learn from other countries. Photos: Additional images from the Education Next â PEPG conference âLearning from the International Experienceâ can be found here. Undoubtedly, the United States has much to learn from education systems in other countries.