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The fundamental concepts of atomic structure, including the three principal parts of an atom and their respective charges, the relative sizes and weights of electrons and protons, the law of charges, the force that keeps electrons in orbit around the nucleus, and the number of valence electrons in materials used for conductors and insulators. It also provides the definition of electricity as the flow of electrons. This information is crucial for understanding the basic principles of electricity and electronics, and can be applied in various fields such as physics, chemistry, and engineering.
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What are the three principal parts of an atom, and what charge does each carry? - correct answer ✔✔Neutron ( no charge), Proton (+), Electron (-) How many times larger is an electron than a proton? - correct answer ✔✔ 3 How many times more does a proton weigh than an electron? - correct answer ✔✔ 1840 State the law of charges. - correct answer ✔✔Opposite charges attract and like charges repel. What force keeps an electron in orbit around the nucleus of an atom? - correct answer ✔✔Centripetal force. How many valence electrons are generally contained in materials used for conductors? - correct answer ✔✔1 or 2. How many valence electrons are generally contained in materials used for insulators? - correct answer ✔✔7 or 8. What is electricity? - correct answer ✔✔The flow of electrons.