Nonmetals are usually dull and brittle. They are also nonconductors or very poor conductors. Furthermore, nonmetals are good insulators. Most nonmetals will easily bond to metals with the exception...
The six elements belonging to group 1 of the periodic table, namely lithium (Li), sodium (Na), potassium (K), rubidium (Rb), cesium (Cs) and francium (Fr) are called alkali metals. They constitute...