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Write the complete electron configuration for the element potassium, K: Use the T2 function in the tool bar to show superscripts.

Write the shorthand electron configuration (using noble gas core) for molybdenum, Mo. Use the T2 function in the tool bar to show superscripts.  

Which atom has the smallest radius (size) according to location on the periodic table?

Which one of the following lists contains an alkaline earth metal, a transuranium, and a halogen, in that order?

The electron pair geometry and molecular geometry (in that order) for SCl2 is  

Write the formula for copper (II) nitrite. NOTE: Since entering answers does not allow for subscripts, the formula Cs2S is written as Cs2S.    

Calculate the density of a piece of plastic that weighs 45.32 g and measures 4.51 cm x 6.45 cm x 2.31 cm. Please show your work with your answer.  You can use the equation editor  above if needed.

Write the following in standard scientific notation, keeping the proper number of significant figures: 0.000 000 000 290 Gg

Determine the molar mass of Al(NO3)3 Enter the answer showing 2 decimal places.

Write the shorthand electron configuration (using noble gas core) for the element tin, Sn: Use the T2 function in the tool bar to show superscripts.