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Chapter 2: Vocabulary Review (2.1 and 2.2)

Name: _________________________________
Date: ___________________ Hour:__________
Across
A compound that releases hydrogen ions (H+) in solution; a solution with a pH of less than 7
A mixture in which all the components are evenly spread out
The attraction between molecules of the same substance
A compound that releases hydroxide ions (OH-) in solution; a solution with a pH of more than 7
A mixture of water and nondissolved material
A pure substance that consists entirely of one type of atom
A substance formed by the chemical combination of two or more elements in definite proportions
A compound that prevents sharp, sudden changes in pH
Down
The center of an atom, which contains the protons and neutrons
_____ bond: a chemical bond formed when one ore more electrons are transferred from atom to another
The smallest unit of most compounds that displays all the properties of that compound
The force of attraction between different kinds of molecules
A negatively charged particle; located in the space surrounding the nucleus
______ bond: a type of bond between atoms in which the electrons are shared
One of several forms of a single element
The basic unit of matter