Lawrie Ryan and Roger Norris Solutions for Chapter: Electrons in Atoms, Exercise 10: Questions

An element has the electronic configuration $1{\mathrm{s}}^2 2{\mathrm{s}}^2 2{\mathrm{p}}^6 3{\mathrm{s}}^2 3{\mathrm{p}}^6 3{\mathrm{d}}^{10} 4{\mathrm{s}}^2 4{\mathrm{p}}^6 4{\mathrm{d}}^{10} 5{\mathrm{s}}^2 5{\mathrm{p}}^5$.
Which block in the periodic table does this element belong to? 

An element has the electronic configuration $1{\mathrm{s}}^2 2{\mathrm{s}}^2 2{\mathrm{p}}^6 3{\mathrm{s}}^2 3{\mathrm{p}}^6 3{\mathrm{d}}^{10} 4{\mathrm{s}}^2 4{\mathrm{p}}^6 4{\mathrm{d}}^{10} 5{\mathrm{s}}^2 5{\mathrm{p}}^5$.
Which group does it belong to ? 

An element has the electronic configuration $1{\mathrm{s}}^2 2{\mathrm{s}}^2 2{\mathrm{p}}^6 3{\mathrm{s}}^2 3{\mathrm{p}}^6 3{\mathrm{d}}^{10} 4{\mathrm{s}}^2 4{\mathrm{p}}^6 4{\mathrm{d}}^{10} 5{\mathrm{s}}^2 5{\mathrm{p}}^5$.
Identify this element ? 

Which block in the periodic table does the element with the electronic configuration $1{\mathrm{s}}^2 2{\mathrm{s}}^2 2{\mathrm{p}}^6 3{\mathrm{s}}^2 3{\mathrm{p}}^6 3{\mathrm{d}}^5 4{\mathrm{s}}^1$ belong to ?

Which one of these statement about the electrons in the outermost principal quantum shell of phosphorus(atomic number 15) is true?