Across
- 2. table that is represent the chemical elements
- 6. composicion of the elemnt quimics
- 7. reaction between two or more electrons or protons
- 8. energy level of the periodic table
Down
- 1. tending to lose electrons and form positive ions in chemical reactions
- 3. level that explains the capacity of the eelectrons
- 4. numer of the chemical elements
- 5. number of atoms that represent