Make up your own story using as many elements as you can. Rather than writing the name of the element in your story, use its chemical symbol.

Once upon a time, H2O was falling down majestically into the river below the large, strong mountains filled with Ti while a little Au hunter walked to search another long day for his hopeful treasures.

Explanation:

Hope this helps, I don't know how long it's supposed to be s, yeah

it's c. elements are placed in rows based on how may valencies electrons have.

the answers would be

the first one and the second one