0
Want this question answered?
Be notified when an answer is posted
Add your answer:
Earn +20 pts
Are metals thermal insulators?
omdat je nou eenmaal moet poepen!!
What properties do metals non-metals and semi-conductors have in common?
They generally look metallic but are brittle (not malleable or ductile). Neither good conductors or insulators but they are semiconductors.
Are non metal more electropositive than a metal?
There are two types of conductors 1- Metals and 2- Electrolytes, the compounds which become ionized in aqueous solution or in molten state are electrolyte so metal is a conductor of electricity but not an electrolyte.
Is metal a good insulator?
In a conductor, electric current can flow freely, in an insulator it cannot. Metals such as copper typify conductors, while most non-metallic solids are said to be good insulators, having extremely high resistance to the flow of charge through them. "Conductor" implies that the outer electrons of the atoms are loosely bound and free to move through the material. Most atoms hold on to their electrons tightly and are insulators. In copper, the valence electrons are essentially free and strongly repel each other. Any external influence which moves one of them will cause a repulsion of other electrons which propagates, "domino fashion" through the conductor.Simply stated, most metals are good electrical conductors, most nonmetals are not. Metals are also generally good heat conductors while nonmetals are not.Source: http://hyperphysics.phy-astr.gsu.edu/hbase/electric/conins.html
What are three exceptions to the normal properties of metals and non metals?
Metals:All metals are hard except sodiumAll metals have a high density except sodiumAll metals are solid at room temperature except mercuryNon-metals: All non-metals are insulators to electricity except graphiteAll non-metals are brittle except diamondi dont have an answer for 3 sorry! :(
Why are non metals good insulators?
They are used as insulators because they don't conduct heat as well as metals do. Metal will dent and break. Originally they were made of metal and glass with a vacuum between them.
Are metals thermal insulators?
omdat je nou eenmaal moet poepen!!
Do non metals contuct heat?
Non metals do not conduct heat. They have high resistance.They are insulators.Non metals do not have a pool of 'free electrons' (as metals do with metallic bonds). Hence they generally are poor conductors of heat. Nonmetals such as Styrofoam are widely used as insulators. Graphite is an exception as it is a good conductor of heat with its free electrons.Most of the non metals does not conductors because the do not have free electrons. But graphite is a good conductor. Most of the non metals are insulators.
Why are ionic compounds good thermal insulators?
not all non metals are good insulators only the solid non-metals
What are physical properties of non metals?
Non metals do not conduct heat & electricity, good insulators, non mileable, high combustivity, low density and light in weight
Are all the non-metals insulator?
No, not all non-metals are insulators. Some are conductive, such as water.
Is insulation a property of metal?
No. metals are good conductors of both heat and electricity. Insulation is a property of non metals.
What properties do metals non-metals and semi-conductors have in common?
They generally look metallic but are brittle (not malleable or ductile). Neither good conductors or insulators but they are semiconductors.
Are non metal more electropositive than a metal?
There are two types of conductors 1- Metals and 2- Electrolytes, the compounds which become ionized in aqueous solution or in molten state are electrolyte so metal is a conductor of electricity but not an electrolyte.
Do metals or non metals conduct heat better?
Metals are better conductors and non-metals are better insulators. Metalloids can be either a conductor or an insulator, it depends on the object.
What are uses of nonmetals?
Non metals are used as insulators (poor conductors)
Electrical conductors-what do non-conducting materials lack?
Freely moving 'conduction' electrons that exist in all metals since metals are good conductors of thermal and electrical energy ... These electrons collide other electrons in the body allowing a better transfer of heat and electricity, unlike insulators or 'non-conductors' that use molecules to transfer the energy across their different parts...
