Which of the following is a noble chemical element of the modern periodic table?

Neon

The correct answer is option 4. Neon.

The noble chemical element of the modern periodic table among the options provided is neon.

Neon is a noble gas and belongs to Group 18 of the periodic table. Noble gases are characterized by their very low reactivity due to having a full valence shell of electrons, making them stable and unreactive under normal conditions. Neon, along with other noble gases like helium, argon, krypton, xenon, and radon, exhibits this characteristic.