Across
- 3. happens when one chemical substance is transformed into one or more different substances
- 6. cause the atom its leaving to be negatively charged
- 7. Contain 3 basic particles- protons, neutrons, and electrons.
- 9. lasting attraction between atoms, ions or molecules that enables the formation of chemical compounds
- 10. from the sharing of an electron pair between two atoms.
Down
- 1. negatively charged particle, located in the outermost shell of an atom
- 2. atom gives up one or more electrons to another atom
- 4. set of chemical symbols showing the elements present in a compound and their relative proportions
- 5. causes the atom its leaving to be positively charged
- 8. a group of atoms bonded together