What is the first element in the periodic table?

A. Hydrogen
B. Helium
C. Nitrogen
D. Carbon

Check Answer

The correct answer is option A. Hydrogen.

The first element in the periodic table is Hydrogen. It is represented by the symbol H and has an atomic number of 1, which means it has only one proton in its nucleus. Hydrogen is the lightest and most abundant element in the universe, and it plays a key role in the formation of stars and planets. It is also an important element in many chemical reactions and is used in a wide range of applications, from fuel for rockets and cars to the production of ammonia and other chemicals.
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