Final answer:
The strength of an atom's attraction for the electrons in a chemical bond is its electronegativity.
Step-by-step explanation:
The strength of an atom's attraction for the electrons in a chemical bond is the atom's electronegativity. Electronegativity is a relative measure of how strongly an atom attracts electrons when it forms a covalent bond. The greater the electronegativity value, the greater the atom's ability to attract electrons.