The metals in Group 1, such as lithium, sodium and potassium, are all soft. Many non-metals have low melting and boiling points. When non-metals are in a solid state, they are usually brittle so ...

The position of an element on the periodic ... of the periodic table. Most metals share a lot of properties, such as being good conductors of heat and electricity. Non-metals often have the ...

The periodic table is a well-organized chart that contains all the known elements in the universe. These elements are ...