Vocab Quiz#1 Flashcards
Electron
Negatively charged particle; located outside the atomic nucleus
Atom
Basic unit of matter
Element
Substance consisting entirely of one type of atom
Compound
Substance formed by the chemical combination of two or more elements in definite proportions
Ionic bond
Bond formed by one or more electrons transferred from one atom to another
Covalent bond
Bond formed by the sharing of electrons between atoms
polarity
When charges are unevenly distributed
Hydrogen bond
Stronger of the bonds that can form between molecules
Cohesion
Attraction between molecules of the same substance
Adhesion
Attraction between molecules of different substances
Mixture
Material composed of 2 or more elements or compounds that are physically mixed together but not chemically combined
Solute
Substance that is dissolved into a solvent to make a solution
pH scale
Measurement system used to indicate the concentration of hydrogen ions (H+) in solution; ranges from 1-14
Acid
Compound that forms hydrogen atoms (H+) in solution
Base
Compound that produces hydroxide ions (OH-) in solution