The electrons surround the nucleus in 3 dimensions but it is easier to show an energy level ... After the first level has two electrons, the next electron goes into the second level. 2nd Period: ...
This is because it belongs to the Group 1 element (alkali metals) on the periodic ... into lithium and oxygen. Image: Flickr 7. Butyllithium - A completely different beast. Lithium is a shiny metal, ...
Let's try it with a lithium. So ... they exist because of patterns in the periodic table. The interesting trend in melting and boiling points of Group 7 elements allows us to make predictions ...
Very small pieces of lithium and sodium were reacted separately with water. In the periodic table, the group 7 elements and the group 0 elements are non-metals. Compare the physical and chemical ...
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