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According to the valence bond theory, in the ion NH4+, nitrogen is using which orbitals for bonding?
Cardiovascular System
The system of the body that includes the heart, arteries, and veins.
Balanced Placebo Design
A method used in research studies to determine the effect of the participant's expectations on the outcome by utilizing both active and inactive substances or treatments.
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A category of drugs not considered legitimate for medical use and with a high potential for abuse, as defined by the Controlled Substances Act.
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Potential sources of harm or adverse health effect on a person or persons.
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