Question

which of the following elements has 6 electrons in its outer shell? d) hydrogen a) carbon b) oxygen c) nitrogen

Explanation:

Elements in group 16 of the periodic table have 6 electrons in their outer - shell. Oxygen is in group 16. Carbon is in group 14 (4 outer - shell electrons), nitrogen is in group 15 (5 outer - shell electrons), and hydrogen is in group 1 (1 outer - shell electron).

Answer:

B. Oxygen