Current Attempt in Progress Which ionic sólid is likely to have the smallest exothermic lattice energy? O CSCI O RbBr O KCI O LICI O NaCI

Using four ions Nat, Zn²+, S²¯, and NO3-, which compounds can be formed? Na₂Zn and S(NO3)2 NaZn₂ and S₂NO3 NaNO3 and ZnS NaS2 and Zn₂NO3

Arrange the single covalent bonds within each set in order of INCREASING polarity. If: • most polar is b • medium polarity is c • least polar is a this leads to the following input: acb (To answer this question you may consult the table of electronegativity values in the table below.) 1A 2A Li Be 1.0 1.5 Na Mg 0.9 1.2 3B 4B 5B 6B 7B K Ca Sc Ti V 0.8 1.0 1.3 1.5 Rb Sr 0.8 1.0 1.2 Y Zr 1.4 <1.0 1.0-1.4 Cr Mn 1.5 1.6 1.6 Nb Mo 1.6 1.8 Cs Ba La Hf Ta 0.7 0.9 1.1 W 1.3 1.5 1.7 1.5-1.9 2.0-2.4 Fe 1.8 H 2.1 Re Os 1.9 2.2 8B Co Ni 1.8 1.8 1B 2B Cu Zn 1.9 1.6 Ir Pt Au 2.2 2.2 2.4 2.5-2.9 3.0-4.0 Te Ru Rh Pd Ag Cd In 1.9 2.2 2.2 2.2 1.9 1.7 1.7 3 A 4A 5A 6A 7A B N 0 F C 2.5 3.0 3.5 2.0 4.0 Hg 1.9 Al 1.5 Si P S CI 1.8 2.1 2.5 3.0 Ga Ge 1.6 As Se 1.8 2.0 2.4 Br 2.8 Sn Sb Te I 1.9 2.1 2.5 1.8 TI Pb Bi Po 1.8 1.8 At 1.9 2.0 2.2

need help with the lattice energy

What ions make up the ionic compound Mn(CN)2 ? Cation              anion