The 3 characteristics of a nonmetal's is that they don't conduct heat very well, they are very hard and brittle, can be solids liquids and gasses at room temp where as metals are always solid apart from Mercury and they don't conduct electricity, there is 1 exception which is carbon which does conduct electricity but is a metal.
non metals are brittle they tend not to conduct electricity (exception is silicon) they tend not to conduct heat they tend to form anions they often are gases, but can be solid or even liquid (bromine) at STP
Summary of Common Properties
1) React with oxygen to form acidic oxides
2) Poor conductors of electricity and heat
3) The ions are negative, except hydrogen that forms a positive ion (H+).
There are three characteristics of most nonmetals. They are more malleable and ductile than metals, they have ionization energies, and thy are poor conductors.
1. They are not metal.
2. In liquid or gas, the particles can move a lot more than in a solid metal.
3. Usually non metals are more malleable and ductile.
- not lustrous (no shine)
- brittle (breaks easily)
- not malleable
They have luster, are good conductors of heat and electricity, are ductile and malleable.
Nonmetals are found to the right.
Semi-metals (or metalloids) are good semiconductors. They have characteristics of both metals and nonmetals. They also have ranging reactivity levels.
metals, metalloids, and nonmetals.
If you are referring to the periodic table, then metals and non-metals, though if that is the case I should remind you that metalloids are also a category. Though if you were asking more broadly about molecules, as this category would suggest, you're probably looking for organic and inorganic.
The three main categories of elements on the periodic table are metals, metalloids, and nonmetals.
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