Question

All the elements in period 3 have this characteristic

They all have 3 neutrons

They all have 3 protons

They all have 3 orbitals (shells)

They all have atomic masses that are a multiple of 3

(OFFERING 98 POINTS)

Answer 1

3 neutrons 3 protons 3 atomic acid

Answer 2

The answer would be C). All of the elements inside a period will always have the same amount of shells. Hope this helps!