Examlex
Which of the following correctly represents the electron affinity of phosphorus?
Oxygen
A chemical element with symbol O and atomic number 8, essential for the respiration of most living organisms and for combustion.
Uterine Wall
The muscular wall comprising the outer layer of the uterus, which expands significantly during pregnancy to accommodate a growing fetus.
Embryo
An early stage of development in multicellular organisms following fertilization, before developing into a fetus.
Zygote
The initial cell formed when a sperm cell fertilizes an egg cell, marking the beginning of a human's genetic makeup.
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