This document lists the atomic structure of 12 elements, including their protons, neutrons, electrons, and atomic number, but does not provide the specific values for any of these properties. It organizes the 12 elements into a table with 4 elements listed per row. The elements included are neon, boron, fluorine, magnesium, beryllium, carbon, helium, lithium, phosphorus, sodium, hydrogen, and calcium.

1. 1. Neon 5. Berylium 9. Phosphorus:
Protons: Protons: Protons:
Neutrons: Neutrons: Neutrons:
Electrons: Electrons: Electrons:
Atomic Number: Atomic Number: Atomic Number:
2. Boron 6. Carbon 10. Sodium:
Protons: Protons: Protons:
Neutrons: Neutrons: Neutrons:
Electrons: Electrons: Electrons:
Atomic Number: Atomic Number: Atomic Number:
3. Fluorine 7. Helium 11. Hydrogen
Protons: Protons: Protons:
Neutrons: Neutrons: Neutrons:
Electrons: Electrons: Electrons:
Atomic Number: Atomic Number: Atomic Number:
4.Magnesium 8. Lithium 12. Calcium
Protons: Protons: Protons:
Neutrons Neutrons: Neutrons:
Electrons: Electrons: Electrons:
Atomic Number: Atomic Number: Atomic Number: