Blog

 The energy of a photon that has a wavelength of 833nm will be ________ J.   

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

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

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

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

The following is a correct ground state configuration of Mo atom:

Draw a Lewis dot structure for the molecule of COF2 and answer the questions related to 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. Number of pi bonds[Number] Electron geometry[geometry] Molecular shape[shape] [Polarity]Polarity(P- polar, NP – nonpolar) F-C-O angle[Angle]

The following radiation  has the shortest wavelength and greatest energy:

The following element will gain two electrons and achieve the noble gas configuration when forming  the ion:

Write the formulas for the following compounds. Show balancing charges where applicable for EC. Calcium nitride[Calcium] Ammonium hydroxide[Ammonium] Iron(III) acetate[Iron] Sodium carbonate decahydrate[Sodium] Dichlorine heptoxide[Dichlorine] Nickel(II) hydrogen phosphate[Nickel] Nitric acid[Nitric] Hypochlorous acid[Hypochlorous] Lead (IV) oxide[Lead] Cupric Chloride[Cupric]