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Chapter 4 & 5 Review

Chapter 4 & 5 Review. Honors Chemistry. Mendeleev is credited with developing the first successful. Periodic table Method for determining atomic number Test for radioactivity Use of x-rays.

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Chapter 4 & 5 Review

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  1. Chapter 4 & 5 Review Honors Chemistry

  2. Mendeleev is credited with developing the first successful • Periodic table • Method for determining atomic number • Test for radioactivity • Use of x-rays

  3. The group 3 elements through group 8 elements form an area of the periodic table where the electron sublevels being filled are • P orbitals • S and p orbitals • D orbitals • P and d orbitals • F orbitals

  4. A given set of p orbitals consists of _____ orbitals. • 1 • 2 • 3 • 4 • 5

  5. Who used his experimental evidence to determine the order of the elements according to the atomic number? • Mosley • Ramsay • Stas • Mendeleev

  6. If the s and p orbitals of the highest main energy level of an atom are filled with electrons, the atom has a(n) • Electron pair • Octet • Ellipsoid • circle

  7. The number of unpaired electrons in oxygen is • 1 • 2 • 3 • 4 • 5

  8. The halogens contain how many valence electrons? • 1 • 7 • 0 • 8 • None of these

  9. The number of electrons in the highest energy level of the argon atom is • 10 • 2 • 6 • 8

  10. Which of the following has the highest ionization energy? • K • Ca • C • N • O

  11. When moving down a group in the periodic table, the number of valence electrons • Remains constant • Increases by 2 then 8 then 18 then 32 • Doubles with each move • Decreases regularly • Changes unpredictably

  12. The number of electrons in the third sublevel of an iron atom • 6 • 8 • 26 • 56 • 14

  13. Which of the following has the smallest atomic radius? • As • Sb • Bi • P • N

  14. How many d orbitals have n= 3? • 2 • 5 • 10 • 7 • 18

  15. A bright-line spectrum of an atom is caused by the energy released when electrons • Jump to a higher energy level • Fall to a lower energy level • Absorb energy and jump to a higher energy level • Absorb energy and fall to a lower energy level

  16. Which electron configuration is most stable? • 3d^4 4s^2 • 3d^5 4s^1 • 3d^3 4s^3 • 3d^2 4s^4

  17. An element has the electron configuration of [Kr]4d^105s^25p^5. The element is • Nonmetal • Transition metal • Metal • Lanthanide • Actinide

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