Nonmetals are generally the opposite of metals. They are very brittle, are not good conductors of heat and electricity, and are dull. Most nonmetals are gases at room temperature, which means they have low boiling points. They have lower densities than nonmetals.
An element that has characteristics of both metals and nonmetals is a metalloid.
The three most general elemental groups are nonmetals, semimetals, and metals. The characteristics you've described fit the "metals" group of elements.
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Non metals are brittle.They are non lustrous. They have low melting point.
Hydrogen
Metalloids
Nonmetals are found to the right.
Metals and Nonmetals have specific characteristics. Two characteristics of Nonmetals are typically brittle and do not shape easily, and they do not conduct heat or electricity well.
flat and like a bowl
shiny; hard; not plastic
metaloids
metalloids