Across
- 1. Properties Does not depend on the amount of matter present.
- 3. A positive charge that causes the atom to lose valence electrons.
- 6. Mixture Components that are evenly mixed.
- 11. Properties Describes how a substance changes into new substances by either combining or breaking apart from other elements.
- 14. Ions Groups of atoms that stay together and have an overall charge. and one name.
- 15. Metals Metals that use roman numerals to indicate their charge.
- 16. A substance that is made up of only one type of atom.
- 17. Atoms or groups of atoms that either have a positive or negative charge.
- 19. Two or more pure substances that are combined together.
- 20. A number that indicates the number of atoms of an element.
Down
- 2. Electrons Electrons on the outermost shell of an element.
- 4. Properties Characteristics that can be seen without changing the identity.
- 5. Substance Matter that has only one of chemical and physical properties.
- 7. A measure of tendency of an atom to attract electrons towards itself.
- 8. Two or more elements chemically combining together.
- 9. Properties Depends on the amount of matter present.
- 10. A combination of symbols that represent a compound.
- 12. Energy The energy required to remove electrons from a neutral atom of an element.
- 13. A negative charge that causes the atom to gain valence electrons.
- 18. Mixture Components that are unevenly distributed.