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Chemistry - Chapter 2 Review

Miss Muller
Horizontales
The endothermic change - from solid to gas
The number in a chemical equation that shows number of molecules
a chemical reaction in which energy is released
a change in the form or appearance of the matter
The exothermic change - from liquid to solid
the table we use to organize all 118 elements
Another name for describing a base
The exothermic change - from gas to solid
a combination of symbols that represent chemicals in a compound
A substance that is bitter, slippery, , and turns litmus paper blue
A substance that is sour, reacts with metals, and turns litmus paper red
a description that can be observed without changing the matter
Verticales
the smaller part of the solution that gets dissolved by the solvent
a chemical reaction in which energy is absorbed
substance or substances you have before a chemical reaction (the ingredients)
The ability to do work or cause change (ex: heat, light, electricity)
a color scale that goes from red - blue that is used to measure if a Substance is acidic or basic
The little number in a chemical equation that shows the number of atoms
anything that has mass and takes up space
a change in the matter that produces a new substance
a short and easy way to show a chemical reaction using symbols
The exothermic change - from gas to liquid
the new substance that is formed in a chemical equation
The endothermic change - from liquid to gas
A strip of paper that is chemically treated with a dye named litmus
a well-mixed mixture that contains a solvent and at least one solute
The horizontal columns of the periodic table