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What are the 4 different types if depressants?
Anphetamine, Cocaine, Caffine, and Nicotine
90% of all atoms are made of ___
What is brownian motion?
it is the random motion of particles in a liquid.
What are the 3 subatomic particles?
Protons, Electrons, and neutrons.
What subatomic particles can be broken down into quarks?
Protons and Neutrons
What happens if you add a neutron to an element?
It doesn't change the element.
What is le atomic number?
It is the number of protons.
What is an isotope?
Same number of protons but different number of neutrons.
What are the separation in groups on le periodic table?
- Group 1: Alkali Metals
- Group 2: Alkaline Earth Metals
- Groups 3-11: (51-71) Lanthanoids and Actinoids (Transition)
- Groups 17: Halogens
- Group 18 : Noble Gases
Alpha, Beta, Neutron, Proton, Gamma!
Alpha4/2 , Beta0/-1, Neutron1/0, Proton1/1, Gamma0/0.
What are metals?
A good conductor of electricity and are malleable.
- Examples: Solids/Metals that are liquid at room temperature.
- Mercury, Gallium, Cesium, and Francium
What are metalloids?
They are electrical semiconductors.
- Examples of metalloids are :
- Boron, Silicone, Germanium, Arsenic, Antimony, Telurium.
What are non-metals?
They are transparent and not good heat conductors. And they will shatter easily
What is an analgesic?
A drug that enhances the ability to tolerate pain without abolishing nerve sensations.
What is an anesthetic?
A drug that prevents neurons from transmitting sensations to the brain.
What is chemotherapy?
the use of drugs to destroy pathogens without destroying the animal host.
What is the Lock/Key Model?
A model that explains how drugs interact with receptor sites.
What is a neuron?
A specialized cell capable of receiving and sending electrical impulses.
What are neurotransmitters?
An organic compound capable of activating receptor sites on protein embedded in the membrane of a neuron.
What is physical dependence?
A dependence characterized by the need to continue taking a drug to avoid withdrawal symptoms.
What is psychoactive?
Said of a drug that affects the mind or behavior.
What psychological dependence?
A deep-rooted craving for a drug.
What is synaptic cleft?
What a narrow gap across which neurotransmitters pass either from one neuron to the next or from a neuron to a muscle or gland.
What is the synergistic effect?
One drug enhancing the effect of another.
What are the types of neurotransmitters?
Norepinephrine, actylcholine, dopamine, serotonin, GABA