CY 105 Exam IV take home FL 2010

CY 105 Exam IV take home FL 2010 - CY 105 Exam IV take home...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
CY 105 Exam IV take home FL 2010 Multiple Choice Identify the choice that best completes the statement or answers the question. ____ 1. The electron configuration of the phosphide ion (P 3- ) is __________. a. [Ne]3s 2 b. [Ne]3s 2 3p 1 c. [Ne]3s 2 3p 3 d. [Ne]3p 2 e. [Ne]3s 2 3p 6 ____ 2. What is the electron configuration for the Fe 2+ ion? a. [Ar]4s 0 3d 6 b. [Ar]4s 2 3d 4 c. [Ar]4s 0 3d 8 d. [Ar]4s 2 3d 8 e. [Ar]4s 6 3d 2 ____ 3. In the molecule below, which atom has the largest partial negative charge __________? a. Cl b. F c. Br d. I e. C ____ 4. The formal charge on carbon in the molecule below is __________. a. 0 b. +1 c. +2 d. +3 e. -1 ____ 5. Using the table of average bond energies below, the H for the reaction is __________ kJ. H – C C–H (g) + H–I (g) H 2 C=CHI (g) Bond: C C C=C H-I C-I C-H D (kJ/mol): 839 614 299 240 413
Background image of page 1

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

View Full DocumentRight Arrow Icon
a. +506 b. -931 c. -506 d. -129 e. +129 ____ 6. Lattice energy is __________. a. the energy required to convert a mole of ionic solid into its constituent ions in the gas phase b. the energy given off when gaseous ions combine to form one mole of an ionic solid c. the energy required to produce one mole of an ionic compound from its constituent elements in their standard states d. the sum of ionization energies of the components in an ionic solid e. the sum of electron affinities of the components in an ionic solid ____ 7. The Lewis structure of N 2 H 2 shows __________. a.
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 5

CY 105 Exam IV take home FL 2010 - CY 105 Exam IV take home...

This preview shows document pages 1 - 3. Sign up to view the full document.

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