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