Across
- 2. variants of a chemical bond
- 5. the strong electrostatic attraction
- 6. a type of chemical bond
- 7. membrane bound
- 9. when two or more atoms are paired
- 11. the smallest unit of a chemical compound
- 12. the element located outside the shell
- 13. a lasting force that holds atoms
- 14. chemical elements on the right side of the periodic table
- 17. the smallest building block
- 18. the numbers of protons found in atoms
Down
- 1. an elements symbol
- 3. an uneven distribution of electrons
- 4. chemical elements with properties
- 8. a pure substance
- 10. a visual presentation of a atom
- 15. a class of chemical elements
- 16. an atom that carry's a net charge