WORK SHEET - CHAPTER-8 ELECTRONS IN ATOMS AND PERIODIC TABLE 1. Write full electron configuration for the following and

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WORK SHEET - CHAPTER-8 ELECTRONS IN ATOMS AND PERIODIC TABLE 1.
Write full electron configuration for the following and indicate
core electrons and valence electrons: Na, S, N, Sb 2. Write full
orbital diagrams and indicate the unpaired electrons for the
following: Be, F, Li, N 3. Write electron configuration using
previous Nobel gas: Br, Te, Cs, Rb 4. How many valence electrons
are in : Al, Be, Se, Ba 5. How many 2p electrons are in C, N and F
6. How many 3d electrons are in K, Zn and Fe 7. Name the element in
4th period with : A. 5 valence electrons, B. a total of 4 p
electrons C. a complete outer shell 8. Identify the element using
periodic table: • [Kr]5s24d10, • [Xe]6s2, • [Ar]4s23d104p1 9.
Choose the element with high ionization energy: • Si or Cl, • P or
Sb, • P or Sn 10. Choose the element with larger atoms: • Al or In,
• P or Pb, • Sn or Bi 11. Choose the more metallic element from the
pair: • As or Bi, • As or Sn, • K or Ge, • Sb or P