Chem Lab

3. the atomic radius ________ across a period from left to right
6. how much something wants to reduce
8. half-reaction in which a chemical species loses electrons
9. a cell that is composed of 2 metals connected by a salt bridge
10. the general electron configuration for the element group with the largest negative value for electron affinity
11. the other name for the Oxygen family
13. the amount of energy required to remove an electron from an atom
14. the group on the periodic table with an oxidation number of +1
16. between Cesium or Lithium, the one with a higher melting point
17. the cell in which reduction occurs in a voltaic cell
18. the ability of materials to pass an electric current
19. focuses exclusively on either the oxidation or reduction portion of a reaction

1. the number that indicates the degree of oxidation/reduction of an atom
2. half-reaction in which a chemical species gains electrons
4. one of the mnemonics for remembering oxidation/reduction
5. a cell that uses a current to decompose chemical compounds
7. when balancing redox reaction, you first balance all _______ elements
12. the cell in which oxidation occurs in a voltaic cell
15. the representation of the hydrogen-ion activity of solutions
19. the element with the largest first ionization energy on the periodic table