Problem: The following observations are made about two hypothetical elements A and B: The A–A and B–B bond lengths in the elemental forms of A and B are 2.36 and 1.94 Å, respectively. A and B react to form the binary compound AB2, which has a linear structure (that is ∠B–A–B = 180°). Based on these statements, predict the separation between the two B nuclei in a molecule of AB2.

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FREE Expert Solution

The A–A and B–B bond lengths in the elemental forms of A and B are 2.36 and 1.94 Å, respectively.

  • The atomic radius of A:

2.36 Å2=1.18 Å

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Problem Details

The following observations are made about two hypothetical elements A and B: The A–A and B–B bond lengths in the elemental forms of A and B are 2.36 and 1.94 Å, respectively. A and B react to form the binary compound AB2, which has a linear structure (that is ∠B–A–B = 180°). Based on these statements, predict the separation between the two B nuclei in a molecule of AB2.

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Periodic Trends: Atomic Radius concept. You can view video lessons to learn Periodic Trends: Atomic Radius. Or if you need more Periodic Trends: Atomic Radius practice, you can also practice Periodic Trends: Atomic Radius practice problems.

What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor Davis' class at UCF.