Question

How can you use the periodic table to find the number of protons in one atom of an element?

A: The number of protons is the same as the atomic number of the element.

B: The number of protons is the same as the atomic weight of the element.

C: The number of protons can be found by subtracting the number of electrons from the number of neutrons.

D: The number of protons cannot be determined from the information of the periodic table.

Answer 1

A is your answer.
On the periodic table the atomic number is the number of protons inside the nucleus.

Answer 2

The answer is A because the number of protons is the same number as the elements atomic number and it always will be same thing with neutrons