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Unformatted text preview: e) both more efficient than that by core electrons and responsible for a general increase in atomic radius going across a period 3. (5 pts) Of the following elements, which has the largest first ionization energy? a) Na b) Al c) Se d) Cl e) Br 1 4. (5 pts) Which of the following has the largest second ionization energy? a) Ca b) K c) Ga d) Ge e) Se 5. (5 pts) Which one of the following is not true about the alkali metals? a) They are low density solids at room temperature. b) They all readily form ions with a +1 charge. c) They all have 2 electrons in their valence shells. d) They are very reactive elements. e) They have the lowest first ionization energies of the elements. 6. (5 pts) Element M reacts with chlorine to form a compound with the formula 2 MCl . Element M is more reactive than magnesium and has a smaller radius than barium. This element is __________. a) Sr b) K c) Na d) Ra e) Be 2...
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This note was uploaded on 05/14/2009 for the course CHEM 121 taught by Professor Wyzlouzil during the Fall '07 term at Ohio State.
- Fall '07