Write the Chemical Formula of Pyrite

question 17

Multiple Choice

Write the chemical formula of pyrite.

• A) FeS
• B) Fe₂S₃
• C) FeS₂
• D) Fe₃S₂
• E) None of the above

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Definitions:

Aggregates

Collections or clusters of objects, often used in the context of materials science (for composite materials) or data (for information grouping).

Helper T Cell

Subset of T lymphocytes that increases the activity of B cells and T cells.

Cytokines

Small proteins released by cells, especially in the immune system, that have a specific effect on interactions and communications between cells.

Effector T Cells

A type of T cell that actively responds to a pathogen by directly killing infected host cells or by signaling other immune responses.