Place the following elements in order of increasing atomic radius (smallest first): Ba, F, Mg, O,  S

Draw a Lewis dot structure for the molecule of (CH3)2CO and answer the questions related to the structure. Upload the picture of the Lewis dot structure for the possible 1 pt. EC grade to the  Exam 2 Solutions (Lewis Structures), Extra Credit and Partial Credit assignment after you submit your exam. Do not forget to number the answer. Number of pi bonds Number of sigma bonds Number of nonbonding domains HCH angle CCC angle

The following is a correct ground state configuration of the Cl atom:

The following is a correct ground state configuration of the P atom:

According to the octet rule, strontium will form the following ion:

Use the periodic table and formula sheets to write the formulas for the following compounds. Show balancing charges where applicable for EC. Aluminum sulfate Ammonium hydrogen sulfite Cromic chloride Sodium sulfide Diarsenic pentasulfide Copper(II) sulfate pentahydrate Phosphoric acid Bromic acid Lead(IV) sulfide Potassium permanganate

Draw a Lewis dot structure for the formula unit of ionic compound between atoms of Mg and N and provide the formula based on the structure.  Upload the picture of the Lewis dot structure for additional 2 pts grade along with the other required ones to the  Exam 2 Solutions (Lewis Structures), Extra Credit and Partial Credit assignment after you submit your exam.

Use the difference in electronegativity values to arrange the bonds in order of increasing polarity (the least polar first):

The following color of visible light has the lowest energy: 

The following is a correct ground state configuration for the ion of Zn2+