What is the smallest unit of ordinary matter that forms a chemical element?

Identify the fundamental property of matter responsible for electrostatic attraction or repulsion, measured in Coulombs (C).

How is the transfer of electrons described when two uncharged objects are rubbed together?
Answer: Charging by _

Which type of elements, such as copper, silver, and gold, are known for their high conductivity due to mobile electrons?

What is the flow of power or charge, classified as a secondary energy source, derived from the conversion of primary sources like coal, natural gas, oil, nuclear power, and other natural sources?