While looking at calcium (Ca) on the periodic table, a student needs to find an element with a greater atomic mass in the same period. Where should the student look? directly up directly down directly to the left directly to the right

To find an element with a greater atomic number, The student should look ;     Directly to the right ( D )

The atomic number of an element in the periodic table increases across the period ( i.e. when you move from left to right ) while the atomic radius of an element increases as you go down in a group in the periodic table.

Therefore if you want to find an element in the same period that posses a higher atomic number you should move from left to the right of a period in the periodic table.

Hence we can conclude that the to find an element with a greater atomic number the student should look directly to the right.

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directly to the right

Explanation:

Atomic size increases from left to right

explanation: no but i do not usually comment