Across
- 3. the energy required to remove the most loosely held electron from one mole of gaseous atoms to produce 1 mole of gaseous ions with a charge 1+.
- 8. a regular periodic variation of properties of elements with atomic number and position in the Periodic table
Down
- 1. subdivision of electron shells separated by electron orbitals
- 2. a horizontal row of elements in the periodic table
- 4. used to describe the size of an atom, referring to ions radius, covalent radius, metallic radius, or van der Waals radius.
- 5. The arrangement of electrons in an atom
- 6. a grouping of electrons surrounding the nucleus of an atom
- 7. describes the decrease in attraction between an electron and the nucleus in any atom with more than one electron shell