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.
1 answer:
Answer:
Option B
Step-by-step explanation:
The question can be solved without observing the masses and calculating them.
How?
- Periodic table law states that masses get increased in group and get decreased in period.
- Hydrogen is the 1st element so it has least mass.
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
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