Compare the properties of metals and nonmetals?

Answer 1

A metal is a chemical element that is a good conductor of both electricity and heat and forms cations and ionic bonds with non-metals. Cations are usually formed by electron loss. They are classified as alkali metals, alkali earth metals, transition metals (the classic metals), post-transition metals, lanthanides, and actinides.

A nonmetal is an element in groups 14 to 18 of the Periodic Table (group 17 are halogens and group 18 noble gases). Nonmetals are not able to conduct electricity or heat very well. As opposed to metals, non-metallic elements are very brittle, and cannot be rolled into wires or pounded into sheets. The nonmetals exist in two of the three states of matter at room temperature: gases (such as oxygen) and solids (such as carbon). The nonmetals have no metallic luster, and do not reflect light. They have oxidation numbers of ±4, -3, and -2.

Basic differences

1. Metallic compounds conduct electricity and heat while non-metallic compounds are less conductive.
2. Most metallic compounds are solid at room temperature (except Mercury and gallium which are liquids). Nonmetals may be solid or gas.
3. Metallic compounds are hard and malleable
4. Metals generally have higher melting and boiling points.
5. Metals are electropositive while nonmetals are electronegative.
6. Metals have 1, 2 or 3 electrons in the outermost shell while nonmetals have 4 to 8 electrons in the outermost shell.
7. On electrolysis of metal compounds, metals are discharged at the cathode. On electrolysis of compounds, non-metals are discharged at the anode.

Transition Metals (classic metals)

There are 38 elements in groups 3 through 12 of the Periodic Table called "transition metals". As with all metals, the transition elements are both ductile and malleable, and conduct electricity and heat. The interesting thing about transition metals is that their valence electrons, or the electrons they use to combine with other elements, are present in more than one shell. This is the reason why they often exhibit several common oxidation states. There are three noteworthy elements in the transition metals family. These elements are iron, cobalt, and nickel, and they are the only elements known to produce a magnetic field.

Answer 2

Metals are usually hard and shiny. They are easily manipulated if you add heat to them. The propertied of each metal are different, depending on the metal. Most metals have those two porperties, and most can also be stretched into a wire, and can return to their orignal state. That's really all I know about metals ^.^

Nonmetals can be anything from a gas to an organic material. Basically, they don't have the properties of metal, but some do.

Answer 3

Metals are; Shiny, good conductors of heat and electric current, malleable (They can be pounded or rolled into shape). They are also ductile (They can be drawn into thin wires.

Nonmetals are; Dull (not shiny), poor conductors of head and electric current, and unmalleable.

Answer 4

Metals:

*Conductuible

*loose electrons

*Malliable

*very shiny

Non-metals:

*bad conductible

*easier for it too gain than loose electrons

*very dull

Answer 5

Metals are sonorous but non metals are not sonorous. Metals have a shiny appearance but non metals do not have shiny appearance.

Answer 6

Okay, we both know you are cheating on your California science book 5th graders and that is wrong. Figure it out in your text book. Remember Non

Bye

Answer 7

metals:-shiny

-ductile

-malleable

-good conductor

non-metals:-dull

-poor conductors

-brittle