What is the first element in the periodic table?

by

A) Neon
B) Oxygen
C) None of these
D) Hydrogen

🧠 Explanation:

    • The first element in the periodic table is Hydrogen.

    • It has the atomic number 1 and is the lightest and simplest element.

    • Hydrogen is highly flammable and plays a key role in the structure of the universe.