| A | B |
|---|
| covalent bond | shares electrons |
| single bond | shares one pair of electrons |
| double bond | shares two pairs of electrons |
| triple bond | shares three pairs of electrons |
| subscript | number that tells how many atoms of an element there are in a compound |
| superscript | number that tells the charge on an ion |
| ion | what an atom becomes when it gains or loses electrons |
| ionic bond | exists between oppositely charged particles |
| stable | what atoms want to become |
| 2 or 8 | number of electrons to fill a level |
| electrons | particles that are shared or transferred in a chemical bond |
| chemical formula | shows elements and number of atoms of each element |
