Foundational chemistry vocabulary including mole, valence, and oxidation for intro chemistry classes.
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- What is a mole?
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A unit equal to Avogadro's number of particles (atoms, molecules, etc.)- What is Avogadro's number?
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6.022 x 10^23- What is the valence shell?
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The outermost electron shell of an atom- What is valence?
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The combining capacity of an element, determined by the number of valence electrons- What is oxidation?
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A process in which an atom loses electrons or increases in oxidation number- What is an oxidation state?
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A number assigned to an element representing the number of electrons gained or lost- What is reduction?
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A process in which an atom gains electrons or decreases in oxidation number- What is a redox reaction?
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A reaction in which both oxidation and reduction occur simultaneously- What is an atom?
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The smallest unit of an element that retains that element's chemical properties- What is a chemical element?
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A pure substance made of only one type of atom- What is a chemical compound?
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A substance made of two or more elements bonded together in a fixed ratio- What is a chemical bond?
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A force that holds atoms together in molecules or compounds- What is an ionic bond?
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A bond formed by the electrostatic attraction between oppositely charged ions- What is a covalent bond?
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A bond formed by the sharing of electrons between two atoms- What is an electron?
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A negatively charged subatomic particle that orbits the nucleus
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