Across
- 4. Products with new characteristic properties are formed as a result of this type of change
- 6. Energy is never created or destroyed; it is only ___.
- 7. If a substance is made up of only one type of matter, and it is uniform or constant throughout, we describe the substance as ____.
- 10. The study of matter and its properties.
- 11. Sodium and chlorine are elements but when they are chemically combined, they form a ____, which is a type of pure substance made of more than one type of atom.
- 14. The number of grams of water I would have if I melted twenty grams of ice
- 16. Two hydrogen atoms, each bonded to one oxygen atom, make up a water ____.
- 17. The fact that there are equal numbers of atoms of the same element on either side of a chemical equation proves the Law of _____ of Mass.
- 18. Chemical symbols for one of these can be found on the period table; also a pure substance that is made up of only one type of matter.
- 19. Forces that hold atoms together in a molecule; get broken when a substance goes through a chemical change
Down
- 1. Made of a single element and is the smallest particle that still has all of the characteristic properties of the element
- 2. Occurs when reactants form production.
- 3. A property of matter that can be used for identification purposes because it doesn't change for a specific substance is known as a ____ property.
- 5. Solids, liquids, gases, and plasma are the four naturally occurring ones
- 7. Heating up water to the point that it turns into water vapor is an example of a ___ change.
- 8. Matter and energy do not leave this type of a system.
- 9. Potential energy and ___ energy are the two major forms of energy. All of types of energy are just sub-sets of those two forms.
- 12. Has mass, is made of atoms, and takes up space.
- 13. The general name for the materials you start off with during a chemical reaction; found on the left side of a chemical equation.
- 15. The ability to cause change
