Across
- 6. type of covalent bond that forms between atoms of different electronegativities
- 7. any molecule composed of two or more elements
- 8. type of covalent bond that forms between atoms with similar electronegativities
- 9. two or more atoms bonded together (can be same atom or different)
- 12. substance made entirely from one type of atom
- 14. anything that contains mass and occupies space
- 15. multiple forms of an element that differ in the number of neutrons
- 16. ions that have a net positive charge
- 17. type of bond where electrons are transferred, forming ions that are attracted to each other (salts)
Down
- 1. attraction to electrons
- 2. ions that have a net negative charge
- 3. the smallest functional units of matter that form all chemical substances; cannot be further broken down by ordinary means
- 4. the type of bond where the hydrogen atom from one polar molecule is attracted to the electronegative atom of another
- 5. another name for the outermost electrons
- 10. the *blank* rule states that atoms are stable when their outer shell is full
- 11. type of bond where electrons are shared to fill valence shells
- 13. number of electrons each orbital can hold