Across
- 3. chemical reaction that absorbs heat energy.
- 5. most reactive non-metal.
- 6. an experiment preformed in an area where reactant or products aren't accounted for.
- 8. the ability of a substance to conduct electricity or heat.
- 9. the change in which a new substance is created and there is a new substance is created.
- 11. slow chemical change that occurs when oxygen in the air reacts with a metal.
- 14. part of the atom that is the middle and contains neutrons and the mass of the element.
- 16. the chart or table of which all known elements are on.
- 18. an alchemist that discovered the plaster of Paris.
- 20. a cloudy mixture, but the particles of the suspended substance are so small that they cannot be easily separated from the other substance.
- 22. the man that made the first theory on the atom and what is was.
- 25. a Russian scientist that found a way to organize he element into a table.
Down
- 1. a law in which mass of the reactants equals the mass of the products.
- 2. the two substances that react to form a new substance.
- 4. the change in which the substance changes state.
- 7. the vertical column in the periodic table of elements.
- 10. substance that helps with a chemical reaction speed up.
- 12. part of an atom that can be lost or gained depending on the element.
- 13. the new substance made after a chemical reaction.
- 15. a compound that contains two non-metal elements.
- 17. a compound that contains one metal element and one non-metal element.
- 19. an experiment preformed in an area where all reactants and products are accounted for.
- 21. chemical reaction that releases heat energy.
- 23. a pseudo-science that involves magic and science.
- 24. metals most reactive metals.
- 26. a catalyst that is found in our saliva, which helps with the break down of food.