Decrease in atomic number is observed during

Which of the following statement(s) is (are) correct?

ASSERTION:
Nuclide $${}_{13}^{30}Al$$ is less stable than $${}_{20}^{40}Ca$$

REASON:
Nuclides having odd number of protons and neutrons are generally unstable.

The geometry and the type of hybrid orbital present about the central atom in BF₃ is