Mole Day!
Across
- 1. An "if-then" statement that can be tested
- 4. The sum of the atomic masses of constituent atoms in an ionic compound
- 7. The mass of an atom
- 10. An extremely tiny piece of matter
- 12. Compounds made up of ions that form charged particles when an atom(or group of atoms) loses or adds electrons
- 14. The process of converting something from one thing to another
- 15. 18th group on the periodic table
- 16. The smallest unit of matter
- 20. A substance made up of two or more different elements that are chemically combined
- 21. The Italian physicist who came up with the hypothesis that gases under the same pressure and temperature have the same number of molecules
- 22. The unit for ionic compounds
Down
- 2. The measure of the force applied over an area
- 3. An item that can't be broken down into smaller pieces and is found on the periodic table
- 5. the mass of 1 mole of a substance is ___
- 6. Electrons located on the outermost shell of an atom
- 8. The measure of the average kinetic energy of the particles in a substance
- 9. This is used as a standard for measurements of atomic mass
- 11. Digits that are meaningful
- 13. 6.02X10^23 describes a _____
- 17. The unit of mass used to express the number of atoms, molecules, or particles equal to 1/12 the mass of an atom of carbon 12
- 18. The metric unit of mass
- 19. A model used to display chemical elements