Final answer:
Secondary hydrogens are the hydrogens attached to a secondary carbon, and they are referred to as secondary protons. The question's options do not accurately reflect this terminology.
Step-by-step explanation:
Secondary hydrogens, on a carbon atom with two hydrogens attached, are called secondary protons. The correct answer to the question is not explicitly listed among the options (A) Alpha, (B) Beta, (C) Gamma, (D) Delta. Instead, the terminology is based on the carbon to which the hydrogens are attached. A secondary carbon is one that is bonded to two other carbons, and the hydrogens connected to this type of carbon are referred to as secondary hydrogens. Secondary protons are simply another name for these hydrogens.
Primary, secondary, and tertiary classifications are used in organic chemistry to describe the position and environment of carbon atoms and their corresponding hydrogens in a molecule. Primary carbons are connected to only one other carbon, secondary carbons to two other carbons, and tertiary carbons to three other carbons.