Examlex
What is the total number of valence electrons in a silicate ion,SiO₃2-?
Fertilization
The process in sexual reproduction where a sperm cell unites with an egg cell, leading to the formation of a zygote.
Sperm
The male sex cell.
Ovum
The female reproductive cell or egg, which when fertilized by a sperm, can develop into a new organism.
Prenatal Development
The process of growth and development within the womb from conception to birth, including the development of organs and structures of the fetus.
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