CHEMISTRY CROSSWORD

3. the chemical element of atomic number 11
4. n electromagnetic wave of high energy and very short wavelength, which is able to pass through many materials opaque to light.
6. each of more than one hundred substances that cannot be chemically interconverted or broken down into simpler substances and are primary constituents of matter.
9. about the same mass as a proton but without an electric charge, present in all atomic nuclei except those of ordinary hydrogen.
10. Table a table of the chemical elements arranged in order of atomic number, usually in rows.
11. requiring the absorption of heat.
14. Any of a class of compounds that form hydroxyl ions (OH) when dissolved in water
15. relating to an atom or atoms.

1. a substance with particular chemical properties
2. physical matter of which a person or thing consists and which has a tangible, solid presence.
3. liquid mixture
5. When a substance (or a few substances) change into another substance.
6. the release of heat.
7. In physics, the ability to do work
8. something that can be dissolved
12. The substances that result from this recombination of atoms are called the products of the reaction.
13. A measure of how much matter is in an object.