The way we group elements into metals, nonmetals, and metalloids is important because it affects how we use them.

1. Metals (about 75% of elements):

   • They are great at conducting electricity.
     • For example, copper is a metal that carries electricity very well.
   • Metals are also used in building things, like steel for construction.

2. Nonmetals (around 17% of elements):

   • Nonmetals are important for living things.
     • For instance, carbon is a key part of all life forms.
   • Gases like oxygen are necessary for breathing.

3. Metalloids (about 7% of elements):

   • Metalloids have special properties that help them conduct electricity, but not like metals.
     • Silicon is a well-known metalloid and is very important in electronics.

These groups help us choose the right materials for technology, medicine, and many other industries.