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The chloride ion Cl- is
Iodide Ions
Negatively charged ions of iodine, essential for thyroid gland function and hormone production.
Calcium Ions
Electrically charged calcium atoms that play a crucial role in various cellular processes including muscle contraction, neurotransmission, and enzyme activity.
Acid
A substance that donates hydrogen ions or protons and accepts electrons, often associated with a sour taste and capable of turning blue litmus paper red.
Prions
Infectious agents composed of protein in a misfolded form, which can cause neurodegenerative diseases.
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Q19: AgNO<sub>3</sub> reacts with CaCl<sub>2</sub> to form AgCl
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