Atoms bond to gain, lose, or share their valence electrons in order to complete and have a stable outer energy level. Only the amount of electrons is changed and the atom still has the same protons, neutrons, and other properties.
Answer:
Language Branch
Explanation:
A language branch exists within a family, comprising a collection of languages that are related through a common ancestral language that existed several thousand years ago.
Answer:
3.通常: 3. usually
Explanation:
做翻译需要-------外语。: Translation requires ------- foreign languages.