"Chemical Equations Word Search": HTML5 Crossword

Across

4. a substance that takes part in and undergoes change during a reaction (9)
5. The smallest component of an element (4)
7. Something composed of two or more different elements (9)
8. A group of neutral atoms (8)
12. Where the cations and anions switch places in a reaction forming two new products or compounds (6,11)
13. The shortened form of an element (8,7)
16. Short representation of a chemical element (13)
18. occurs when compounds break down into simpler products (13)
19. The number below a specific element (9)
20. A number placed in front of a chemical formula (11)

Down

1. Using operations with an equal sign (8)
2. the law of conservation of mass (4,2,7,7,2,9)
3. To distribute evenly (7)
6. A process in which one or more substances, the reactants, are converted to one or more different substances (8,8)
9. when two or more elements or compounds combine to make a more complex substance (9)
10. New substances that are formed from reactions (8)
11. when one element replaces another element and a compound, or if two elements in different compounds trade places (11)
14. The quantitative relation that is expressed with a colin (5)
15. Made up of atoms that have the same atomic number (8)
17. To put into easiest and simplest form (10)