Chapter 19-Chemical Reactions Crossword

A change in which one or more substances are converted into new substances
The starting substance that reacts
The new substance that is produced
The way to describe a chemical reactions by using chemical formulas and symbols
The number of molecules (units) of each substance in the reaction
When the equation has an equal number of reactants and products is said to be
The number of atoms in a molecule of a substance; falls slightly below the line
The counting unit that a chemist uses because the number of particles involved in most reactions is very large
The mass in grams of one mole of a substance
This reaction occurs when a substance reacts with oxygen to produce energy in the form of light and heat
In this reaction, two or more substances combine to form another substance
In this reaction, one substance breaks down into two or more substances
In this reaction, one element replaces another element in a compound
In this reaction, the positive ion of one compound replaces the positive ion of the other to form two new substances
The insoluble compound that comes out of a solution during a double displacement reaction
The loss of electrons
The gaining of electrons
The chemical reaction that releases energy
The reaction where energy given off is primarily in the form of thermal energy
The chemical reaction that requires more energy to break bonds than is released when new ones are formed
The reaction that when energy is needed to keep the reaction going is in the form of thermal energy