# Problem: The following diagramrepresents an ionic compound in which the red spheres (six spheres with vertical stripes in the middle row) represent cations and blue spheres (12 spheres with six in the top row and six in the bottom row) represent anions.Which of the following formulas is consistent with the drawing? KBr, K2SO4, Ca(NO3)2, Fe2(SO4)3.Name the compound from the above consistent with the drawing.

###### FREE Expert Solution

there are only 2 types of atom present

###### Problem Details

The following diagramrepresents an ionic compound in which the red spheres (six spheres with vertical stripes in the middle row) represent cations and blue spheres (12 spheres with six in the top row and six in the bottom row) represent anions.

Which of the following formulas is consistent with the drawing? KBr, K2SO4, Ca(NO3)2, Fe2(SO4)3.
Name the compound from the above consistent with the drawing.