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.
It means Those people from others countries travel to our country. It is the same as Incoming Tourism or inbound tourism. international inbound has been an absolute economic â¦ engine, and without our international inbound tourist, there would be negative growth. 3 people found this useful.