Consider the following molecule and identify the correct statement The molecule

Question

Consider the following molecule and identify the correct statement The molecule has 18 sigma bonds and 5 pt bonds The molecule has 10 sigma bonds and 4 pt bonds The molecule has 19 sigma bonds and 4 pt bonds The molecule has 21 sigma bonds and 2 pt bonds For the hydrogen atom, which of the following orbitals has the lowest energy 4s 4p 4d 4f They all have same energy Which of the following have one or more atoms in the structure that break the rule? BF_3 and NF_3 NF_3 and SiF_4 SiF_4 and XeF_4 BF_3 and XeF_4 NF_3 and XeF_4

Explanation / Answer

Rank the next species in increasing radius:

I-, Te2+ , Ba2+, Rb+

Ionic radii trend is as follows --> possitive species decrease in size, negative speceis increase in size

so

T2- > I- > Rb+ > Ba2+

the same options is ivnerted, yet mathematically valid

choose C

Ba2+ < Rb+ <I- < Te2-

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