Answer:
The answer to your question is: b
Step-by-step explanation:
a) This option is wrong, these elements have 6 valence electrons not two.
b) This option is right, these elements are located in the 6th group of the periodic table which means 6 valence electrons
c) These option is wrong, these elements gain 2 electrons to achieve stability.
d) These elements do not lose electrons, they gain electrons, this option is incorrect.