Write down the characteristics of the elements having atomic number 17

Write down the characteristics of the elements having atomic number 17.

Electronic configuration ----------------------
Period number --------------------------
Group number --------------------------
Element family ----------------------
No. of valence electrons ------------------------
Valency ------------------------
Metal or non-metal ---------------------------

Electronic configuration : 1${{s}^{2}}$2${{s}^{2}}$2${{p}^{6}}$3${{s}^{2}}$3${{p}^{5}}$
Period number : 3
Group number : 17
Element family : (Halogen) VILA, or 17th group
No. of valence electrons 2+5 = 7
Valency : 1
Metal or non-metal : Non-metal