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How does a conductor and insulator work?
CONDUCTORThe distance between conduction band and valence band is very small therefore an electron can easily jump to conduction band by overcoming weak nuclear forces. Hence, electric current can easily flow through it.INSULATORThe distance between conduction band and valence band is very large therefore an electron cannot jump to conduction band by overcoming weak nuclear forces. Hence, electric current cannot flow through it.
Does an electron microscope need electricity?
Yes, an electron microscope cannot operate without a source of electrical power.
Is straw an insulater?
yes because it cannot conduct electricity
Why is wood not a good conductor of electricity?
The atoms that make up wood do not have the right electron set up to conduct. In the outer most ring of electrons, it is best for only one electron.
Is metal a condutor of heat?
Metals have delocalised electrons in their outer electron orbits which can move to conduct electricity and heat.
An electron loosely bound to its nucleus is called?
an electron loosely bound to its nucleus is called a free electron.
What is the valance electron of lithium atom that is easily remove to form a lithium with a charge of 1?
the valence electron of lithium that is easily removed is the 1s2 electron
What does an atom release more easily when it gains an electron?
An Electron
Why iron is not a good conductor of heat if it compair to copper?
Copper has relatively easily available electron as compare to the iron because copper has bigger atomic size than iron which means the shielding effect in copper is more than iron so the electron of copper can conduct heat more easily and efficiently as compare to the electron of the iron which make iron not a good conductor of heat if it is compair to copper.
What is different between free electron and inner shell electron?
A free electron is able to move as it is in the outer shell of the atom. So free electrons can carry a charge. If an atom has free electrons it is able to conduct electricity. Inner shell electrons cannot carry a charge as they are closer to the nucleus.
Why benzene undergo electrophilic substitution reaction easily and nucleophilic substution reaction with difficulty easily and?
the electron in benzene are delocalised making d ring to be elctron rich,thereby undergoing electrophilic substitution.benzene cannot undergo nucleophillic substitution,it can only undergo if it is substituted with an electron withdrawing group
Why superconductor cannot conduct electricity?
Superconductors can conduct electricity.
Explain why graphite conduct electricity but silicon carbide does not?
Because graphite has one free electron that is not involved in bonding. The one delocalized electron can be used to conduct electricity. However silicon carbide is tetrahedrally bonded to 4 carbon atoms. There is not free electrons in the arrangement. With no delocalized electron, silicon carbide is unable to conduct electricity.
Why does aluminum conduct?
Because it has a free electron in the conduction energy band.
Can plastic handle conduct heat easily?
No it does not.
Why do metals conduct current easily?
Because metals have a sea of electrons. The electrons are free to move about, thus easily move to conduct heat or electricity.
Why doping is require in semiconductor?
doping is done to increase the no. of holes in a semi conductor or to increase the no. of electron in order to conduct high amount of electricity , further info u can easily get from any 12th std. book.
