Examine This Lewis Structure for the Phosphate Ion, PO₄^3-

question 116

Multiple Choice

Examine this Lewis structure for the phosphate ion, PO₄^3-. How many valence electrons are around the P atom in this structure

• A) Eight
• B) Four
• C) Twelve
• D) Nine
• E) None of the above

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Definitions:

Polyspermy Barrier

A physiological and cellular mechanism in eggs to prevent fertilization by more than one sperm, ensuring normal development.

Zygote

The initial cell formed when two gamete cells are joined by means of sexual reproduction, possessing genetic material from both parents.

Cleavage

The process of cell division in the early embryo, leading to the formation of a multicellular structure.

Vegetal Hemisphere

In biology, the lower half of an egg or embryo where the yolk and nutritive tissues are concentrated, opposite to the animal hemisphere.