Question

define - ions and electric current

Answer 1

Answer
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An electric current is a flow ofelectric charge. In electriccircuits this charge is often carried by moving electrons in a wire. It can also be carried by ionsin an electrolyte, or by both ionsand electrons such as in an ionised gas (plasma). ... These conduction electrons are the charge carriers in metal conductors.
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Answer 2

ions is the charge which defines electro negativity and electropositivity of any comp
its of two types - cations and anions
positively charged ion is cations and negatively charged ion are anions

the rate of flow of charge in a unit time of interval is known as electric current...