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2. shows the symbols of the elements in the compound and the ratio of the elements to one another.
6. conducts electricity and heat relatively well and are typically malleable or ductile.
8. the state or process of rotting; decay.
9. the production of chemical compounds by reaction from simpler materials.
10. a substance that takes part in and undergoes change during a reaction.
12. substance or matter in a state in which it will expand freely to fill the whole of a container, having no fixed shape and no fixed volume .
14. an element or substance that is not a metal.
15. is a chemical reaction in which an acid and a base react quantitatively with each other.
18. firm and stable in shape; not liquid or fluid.
19. substances that cannot be chemically interconverted or broken down into simpler substances and are primary constituents of matter.
20. consisting of one atom.
22. consisting of two atoms.
24. a substance produced during a natural, chemical, or manufacturing process.
25. replacement, is a type of chemical reaction that occurs when two reactants exchange cations or anions to yield two new products.
26. the symbolic representation of a chemical reaction in the form of symbols and formulae
27. of a letter figure or symbol) written or printed below the line.
29. is a chemical reaction in which one element replaces an/other element in a compound.
31. a number in front of a chemical.

1. a process that involves rearrangement of the molecular or ionic structure of a substance.
3. is an equation for a chemical reaction in which the number of atoms for each element in the reaction and the total charge is the same for both the reactants and the products.
4. states that the total number of atoms of reactants must equal the number of atoms of products.
5. the process of burning something.
7. is a chemical reaction expressed in words rather than chemical formulas.
11. is an empirical, calculated, and structurally analytical progression of a series of metals, arranged by their "reactivity" from highest to lowest.
13. formed by the electrostatic attraction of oppositely charged ions.
16. is a charged chemical composed of two or more atoms covalently bonded or of a metal complex that can be considered to be acting as a single unit.
17. relating to or consisting of molecules.
21. of or containing water, typically as a solvent or medium.
23. reaction where the reactants and products react together to give the reactants back.
28. a substance that flows freely but is of constant volume having a consistency like that of water or oil.
30. a thing that is composed of two or more separate elements; a mixture.
32. a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.