Question

hydrogen reacts with an element to form a compound. which element would have the most valence electrons available to react with hydrogen?
oxygen
chlorine
neon
nitrogen

Explanation:

Oxygen has 6 valence electrons, chlorine has 7, neon has 8 but is a noble - gas and unreactive under normal conditions, nitrogen has 5. Chlorine has the most valence electrons among the reactive elements listed.

Answer:

B. chlorine