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you fail at chem/physics.
contact?? i think you mean conduct, because every substance can contact electricity.
A: some conduct electricity better (eg. metals) because they have free moving electrons in their outer shell. electricity is the movement of electrons. therefore metals readily allow a current of electrons to pass though them.
What else can I help you with?
What types of substances are electrical conductors?
Some common substances that are electrical conductors include metals like copper, silver, and aluminum. Graphite and some types of water with high mineral content can also conduct electricity. Generally, substances with loosely bound electrons that can move freely are good conductors of electricity.
Do substances which dissolve in water conduct an electric current?
Some do. Electrolytes, which are substances that break into ions when dissolved in water, will conduct electricity. Such substances include soluble salts, acids, and bases.Other water soluble substances are non electrolytes and do not break into ions in water, or at least do so in extremely minute amounts. They do not conduct electricity. These include alcohols, sugars, and some other polar compounds.
What substances do not conducted electricity?
Insulators.
What is the substances that have high resistance to electricity?
Substances that have high resistance to electricity include rubber, glass, and plastic. These materials are often used as insulators to prevent the flow of electricity.
Do simple molecular substances conduct electricity?
Most molecular substances do not conduct electricity since the ions don't dissociate very well with molecular substances. However, most ionic substances do conduct electricity very well due to their ability to dissociate very well in water.
What group are good conductors of electricity?
metals and such substances are good condutors of electricity.
What hinders electricity pass?
Opaque substances.
Do detergents conduct electricity?
no they do not conduct because they are neutral things
How were electrical conductors discovered?
in 1729, Stephen Gray, an English physicist, found that some substances could carry electricity from one location to another. These substances were called conductors.
Can water shock you if it comes into contact with electricity?
Yes, water can conduct electricity and can shock you if it comes into contact with an electrical source.
What do the substances that conduct electricity once they are dissolved have in common?
333
Can electricity flow through all substances?
I don't think so; rubber doesn't conduct electricity
