Across
- 3. a substance that has properties of both a metal and a nonmetal
- 6. the processes by which chemicals interact to form new chemicals with different compositions
- 10. the measurement between the nuclei of two identical atoms bonded together
- 11. a combination of symbols that represent a compound
- 14. bonding electrons are shared equally
- 18. the amount of energy required to remove an electron from an isolated atom or molecule
- 19. an electrically charged gas
- 20. negative ion
Down
- 1. the tendency of an atom to attract electrons in a molecule
- 2. a system for arranging the chemical elements
- 4. any of a large group of chemical compounds consisting of oppositely charged ions holds the atoms together
- 5. elements on the right of the periodic table
- 7. the atoms help together by sharing electrons
- 8. the process of the transfer of electrons from a metal to a nonmetal atom
- 9. a substance that has no fixed size or shape
- 12. a simple substance that cannot be broken down into smaller parts or changed into another substance
- 13. a state of matter that retains its shape and density when not confined
- 15. a type of matter with specific properties that make it less rigid than a solid but more rigid than a gas
- 16. positive ion
- 17. A substance with high electrical conductivity, luster, and malleability