Which of the following traits characterizes the alkali metals? 选项: A. formation of dianions B. the smallest atomic radius in a period C. existence as diatomic molecules D. very high melting point E. the lowest F. irst ionization energies in a period ...
the first one you will find is the alkali metal family of elements. They are also known as thealkaline metals. You should remember that there is a separate group called the alkaline earth metals in Group Two. They are a very different family, even though they have a similar name. That f...
activity of soil environment, thus affecting SOC mineralization. In recent years, the northeast of China has been increasingly affected by global climate change and human disturbance, which has exacerbated the process of soil salinization and desertification in Songnen Plain20. Land salinization has bec...