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AC-HPAT Prep: Chemistry | 50 Actual Questions and Answers 100% Correct| Latest Update 2024
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What is an atom? An atom is the basic unit of an element. It is composed of a nucleus and one or more electrons moving around it. What is an electron? A negatively charged subatomic particle. What is a proton? a stable subatomic particle occurring in all atomic nuclei, with a positive electric ...
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