gabyj

Popular questions and responses by gabyj
  1. chem

    For each of the following pairs, which element will have the greater metallic character: (a) Li or Be; (b) Li or Na; (c) Sn or P; (d) B or Al?

    asked on August 17, 2010
  2. Write the equations

    Write the equations that show the processes that describe the first, second, and third ionization energies of a tellurium atom.

    asked on August 17, 2010
  3. chem

    What are the similarities and differences between the hydrogen atom 2s and 3s orbitals? a) What are the similarities and differences between the hydrogen atom 2s and 3s orbitals? b) What are the similarities and differences between the 2s orbital and a 2p

    asked on August 17, 2010
  4. chem

    (a) Arrange the following pairs of covalently bonded atoms in expected order of increasing bond polarity: C-N, P-Cl, I-Cl, and C-O. (b) for each pair, indicate the direction of the polarity of the bond, using the symbol +.

    asked on August 17, 2010
  5. which quantity will be greater

    For strontium, which quantity will be greater, the difference between I1 and I2, or the difference between I2 and I3? Explain

    asked on August 17, 2010
  6. Why does the He atom have a smaller radius than th

    (a) Why does the He atom have a smaller radius than the H atom? (b) Why is the He atom smaller than the Ne atom?

    asked on August 17, 2010
  7. Write the shorthand notation

    Write the shorthand notation and the orbital diagram electron configuration representation for each of the following elements and indicate the orbital(s) which contain valence electrons: (a) N, (b) K, (c) Cu, (d) Al.

    asked on August 17, 2010