Question

which element is the most reactive in period 2?
nitrogen (n)
oxygen (o)
fluorine (f)
carbon (c)

Explanation:

In the periodic table, for elements in the same period, reactivity increases from left - to - right (excluding noble gases). Fluorine is the right - most non - noble gas element in Period 2. It has 7 valence electrons and has a strong tendency to gain one electron to achieve a stable octet configuration.

Answer:

C. Fluorine (F)