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1. - charged particles that exert an electric force on each other
- positively charged particle in an atom
- negatively charged particle in an atom
- particle that has no electric charge so is neutral
- centre of the atom, which contains the protons and neutrons
- electric charge that builds up on the surface of an object
- force resisting the relative motion of two surfaces in contact
- tendency of a substance to hold on to the electrons
- [electron affinity]
- [electric charges]
- [static charge]
- [nucleus]
- [electrons]
- [friction]
- [protons]
- [neutrons]
2. - states that particles with opposite charges attract each other
- states that particles with like charges repel each other
- metric unit of electric charge
- ability of materials to allow electrons to move freely in them
- solid, liquid, or gas that resists or blocks the movement of electrons
- material that allows electrons to change positions
- movement or transmission of electric charges through a substance
- [conductivity]
- [law of attraction]
- [insulator]
- [law of repulsion]
- [coulomb]
- [conductor]
- [conduction]
3. - instrument that can detect static charge
- study of static electric charges
- electrons transfer from the charged object to touched neutral object
- movement of electrons within a substance without direct contact
- process of connecting a charged object to Earth's surface
- rapid transfer of electric charges
- metal pole with a wire attached to it that runs down to the ground
- [electrical discharge]
- [charging by contact]
- [grounding]
- [electroscope]
- [electrostatics]
- [induction]
- [lightning rod]