HW 2 - 6.1 Cl 2 6.2 H 2 6.3 CHFCl 2 (carbon is central...

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

View Full Document Right Arrow Icon
CHE-105 Chapter 2 Homework Name _______________________ 1. Examine Figure 2.7 - 1.1 Which type of electromagnetic radiation has the highest energy? ______ 1.2 Which has the longest wave length? ______ 1.3 Which has a frequency just lower than UV? ______ a. gamma rays c. UV rays e. IR rays b. x-rays d. visible rays f. microwave rays 2. How many valence electrons does each atom have? 2.1 Ca _____ 2.2 Mg _____ 2.3 Li _____ 2.4 P _____ 2.5 O _____ 3. Which subatomic particle 3.1 is least massive? _____ 3.2 is uncharged? _____ 3.3 is negatively charged? _____ 3.4 is positively charged? _____ 4. (Indicate all that apply) The element, oxygen - 18 (i.e. O 18 8 ) a. is an allotrope of oxygen that contains 18 oxygen atoms b. is an isotope of oxygen c. has 10 neutrons d. has 18 neutrons e. has 8 protons f. has 8 neutrons 5. ( Indicate all that apply ) All neutral atoms of the same element have a. the same mass number b. the same number of protons c. the same number of neutrons d. the same number of electrons
Background image of page 1

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

View Full DocumentRight Arrow Icon
6. Draw the Lewis dot structure for each of the following and any resonance structures
Background image of page 2
Background image of page 3
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 6.1 Cl 2 6.2 H 2 6.3 CHFCl 2 (carbon is central atom) 6.4 N 2 O (nitrogen is central atom) 6.5 NO 6.6 O 3 7. Which molecule in problem 6 is most reactive based on the Lewis dot structure? _____ 8. Which UV band is most damaging? 9. What is the spectral region, energy (in Joules) and frequency ( in Hz) of 600 mm light? 9.1 region 9.2 energy 9.3 frequency 10. Name three forms of energy that can break bonds. 10.1 __________________ 10.2 __________________ 10.3 __________________ 11. What is the chemical formula for CFC-41 ? 12. Name a naturally occurring compound that can do can reduce O 3 levels in the atmosphere. 13. Consider the following 2 step reaction: Cl . + . O . ClO . ClO . + O 3 2O 2 + Cl . Identify the catalyst and overall reaction 13.1 catalyst ______ 13.2 overall reaction _________________________________________________ 14. What is the CFC name for 14.1 CH 2 FCl 14.2 C 2 F 3 Cl 3...
View Full Document

This note was uploaded on 04/18/2008 for the course CHE 105 taught by Professor Duecker during the Spring '08 term at Indiana Wesleyan.

Page1 / 3

HW 2 - 6.1 Cl 2 6.2 H 2 6.3 CHFCl 2 (carbon is central...

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