Which of the following represents the correct order of increasing inter-molecular strength?

Determine the oxidation number of the underlined element in the following ion. Be sure to indicate if the oxidation number is positive or negative. (HSO2)-1

Which of the following choices best classifies the following reaction:  Mg   +    2 HBr     MgBr2   +  H2 a. combination b. single replacement c. decomposition d. double replacement  e. redox f.  nonredox

On a separate sheet of paper, draw the Lewis dot structure for (NO2)-1. After completing the exam, upload your picture in the Unit 2 Exam pictures dropbox. 

According to the chemical naming system, which name is incorrect? Formula:                 Name: SnCl4               tin chloride SCl2                       sulfur dichloride Mg(NO3)2        magnesium nitrate Na2(CO3)         sodium carbonate FeBr2               iron (II) bromide  

Which of the following choices best classifies the following reaction:  Na2S+   Pb(NO3)2    PbS  +  2 Na(NO3) a. combination b. single replacement c. decomposition d. double replacement  e. redox f.  nonredox

Hydrogen bonding is a special type of dipolar force that occurs when hydrogen is bonded to what 3 possible elements? (Use appropriate symbols for the elements. Use commas to separate the symbols)

Which of the following represents the correct order of increasing inter-molecular strength?

Which of the following electronic changes will cause a Group VIA (16) element to achieve a noble gas configuration?

Which of the following choices best classifies the following reaction:  Mg   +    2 HBr     MgBr2   +  H2 a. combination b. single replacement c. decomposition d. double replacement  e. redox f.  nonredox