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+

The following is a correct ground state configuration for the ion of Cr3⁺.

Use the periodic table and formula sheets to write the names for the following compounds. Show balancing charges where applicable for EC. Na2SO3 Ni(OH)2 K3AsO4 I2O5 H3PO4(aq) CaMoO4 HIO3 Zn(HSO4)2 MgSO4*7H2O Ni(NO3)3

Use the difference in electronegativity values and classification of elements as metals, nonmetals, and metalloids to identify which two compounds contain nonpolar covalent bonds: NaCl; HF; F2;BrF3; GeCl4; Br3Cl