Question

the element phosphorus is located to the right of the element magnesium along the same period in the periodic table. which best describes the relationship of the elements?

Answer 1

Answer:

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Explanation:

Phosphorus has a larger atomic mass. Explanation: As we move right in the periodic table, both atomic number and atomic mass increases. Magnesium comes under S-block elements (Group 2) and Phosphorus comes under P-block elements (Group-15).

Answer 2

Answer: Phosphorus has a larger atomic mass.

Explanation: Look at the periodic table as you can see its not the last one because it says "Phosphorus has similar chemical properties as magnesium" that is definitely wrong. Now when you look at this one "Magnesium is in the same category as phosphorus" if you look at the periodic table Magnesium is in the Alkaline Earth Metal category and Phosphorus is in the non-metals so that's wrong.  then the top two just look at the atomic mass and number and you will see it is, Phosphorus has a larger atomic mass.