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7. Which of the following pairs of molecules or ions are isoelectronic? (a) CO2 and NO2 (b) CH4 and [NH4] (c) OF2 and OH (d) Cl2 and O2 (e) [SCN and [OCNT

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Related questions

1. Which set does not contain a linear species?

a) CO2, SO2, NO2
b) Br3F, I3-1, SCN-
c) H2O, HCN, BeI2
d) H2S, ClO-2, SCN-
e) C2H2, OF2, OCN-


2. Which molecule has the weakest bond?

Cl2, CO, O2, NO, or N2


3. Which pair of atoms should form the most polar bond?

a) C and O
b) B and N
c) F and B
d) F and O
e) N and F


4. Which species has the shortest bond length?

a) CN-
b) SO3
c) CO2
d) SO2
e) O2

Draw Lewis structures of the four molecules and/or ions with the formulas given below and figure out which two of these are isoelectronic with each another. Species which are isoelectronic have the same number of atoms, the same total number of electrons, the same number of valence electrons, and the same valence electron structure (single and multiple bonds and lone pairs in same places), but need not have the same distribution of formal charges on atoms. CO2 and ClO2 and NO2+ and SO2

Which of the following compounds contains ionic bonds?

A. CH4

B. K2O

C. Cl2

D. OF2

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