The table shows the mass in grams of one at of each of several elements. List the elements in order from least mass to greatest mass per atom: hydrogen, carbon, oxygen, silver, gold.

Answer:
Option B
Step-by-step explanation:
The question can be solved without observing the masses and calculating them.
How?
Now
Only option B and D has Hydrogen at first.
Now coming to last elements Carbon and Gold
Gold is heavier as per periodic table.
So option B is correct