practice_test_2[1]

practice_test_2[1] - 1.Which of the following has the...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
1.Which of the following has the highest lattice energy? NaCl KI MgO BaO CaO 2. Which of the following metal ions has the ground-state electron configuration [Ar]3d6? Ni3+ Fe2+ Mn2+ Cu+ Ca2+ 3. How many lone pairs of electrons are found in the Lewis structure of hydrazine, H2NNH2? 8 4 1 0 2 4. Which of the following species are radicals? CO2 HNO3 NO2
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
NO3– HNO2 5. How many electrons are in the expanded valence in XeO 4 ? 6. What is the electron pair geometry of BrO 4 ? tetrahedral trigonal bipyramidal seesaw T-shaped square planar 7. What is the molecular geometry of CS 3 2– ? trigonal pyramidal trigonal planar T-shaped tetrahedral seesaw 8. Which of the following has bond angles slightly less than 120°? SO 3 SF 2 I 3 NO 3
Background image of page 2
O 3 9. Draw the Lewis structure of formamide, NH 2 CHO, and give the number of lone pairs of electrons, and the number of σ - and π -bonds 10. For the Lewis structure of the cyanamide ion that contains two double bonds, N =C=NH , the hybrid orbitals used by the underlined nitrogen atom and the carbon
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 4
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 12/06/2010 for the course CHEM 141 taught by Professor Freeman during the Spring '10 term at Columbia SC.

Page1 / 6

practice_test_2[1] - 1.Which of the following has the...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online