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DO NOT WRITE ON THIS TEST age | LBCL Exam # 3: Chemo CHEMISTRY TEST: -i: Conaggoads, MIXTURES, ATOMIC ST! CONFIGURATIONS ,-SPoq es wed Covalent fade sserone é PARTI; MULTIPLE CHOICE (1 point each) Dylon Dav Pe the element name forthe symbol Pb is; A) Tin 6) Antimony{Q)Lead_ 0) Plumbumium Tungsten isthe name of the eerent symbol. 4) Tu 6) 7m EPw 0) 44 ‘he element name forthe symbol Au is @Jold 6) iver C) Tungsten O) Auruenium “The scientist who is credited for setting up the elements according to their atomic masses and lative similarities in rows and groups, thereby making the first periodic table, was: A) John Newlands ymitri Mendeley C} Johann Dobereiner 0) Albert Einstein Twhh lent eet econ cnfguoton t02sep72qte2 A) nckel_ anc conan d) tron 5, ssonemoves aise Pre Table etc cheats A) tenes eeresses_ tye the same dj) increases, then decreases 6. As one moves down the Periodic Table, Ionization Energy decreases because offAPéxtra enerey levels being added to the atom B) Nuclear Shielding ) The protons have stranger pull) al ofthe above 7. Which represents the electron configuration of an isotope of oxygen in the ground state? a) 1s? 2s? 2ph b) 1s2 252 2p? ¢) 1s? 2582 2p3 as? 25? 2p4 8. Which orbital in an atom of calcium would contain electrons with the highest energy? a) 3s b) 3p ¢) 2p 4s 9. What is a possible electronic configuration of a nitrogen atom? a) 1s} 253 2p3 b) 1s? 283 2p? c) is? ash apt GJ 12? 282 293 10. How many electrons occupy the 2p sublevel in an atom of boron in the ground state? 1 by 2c) 3 a) 11, Which electron configuration represents an atom in an excited state? @ 152 252 45) bp) fs? 282 c) As? 25? 2p§ 4) Is? 25? 2p6 357 3p! Scanned with CamScanner 
