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Elemental Molecules
Atoms of the same element |
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Chemical combinations of two or more atoms of different elements.
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States of Matter
Solid
Liquid
Gas |
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| A Chemical change is when the chemical and physical properties of a substance by a chemical reaction creates a new substance or substances. |
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Potential Hydrogen
The ph of any substance is always a balance of both acidity and alkalinity.
ph represents the quanity of hydrogen ions. |
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Oil in Water Emulsions
Oil droplets emulsfied in water.
Does not feel greasy, because oil is hidden in the water.
Examples: Haircoloring, Shampoos, Conditioners, Hand Creams |
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Water droplets are emulsified in Oil.
Feel greasy, because the water is hidden in the oil.
Examples: Cold creams, styling creams, ointments |
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| All matter is classified as a pure substance or a mixture. |
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| An ion with a positive charge. |
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| Solutions that have a ph below 7.0, and turns litmus paper from blue to red. |
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| Solutions that have a ph above 7.0, and turns litmus paper from red to blue. |
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| Colorless gas with a pungent odor, composed of hydrogen and nitrogen. |
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| Smallest particle of an element that still retains the properties of that element. |
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| The Science that deals with the composition, structures and properties of matter, and how matter changes under various conditions. |
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| A chemical reaction that combines a substance with oxygen to produce an oxide. |
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| Any substance that occupies space, and has mass (weight). |
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| A chemical combination of two or more atoms. |
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| Unstable mixture of dissolved particles in a liquid. |
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| Study of substances that do not contain carbon. |
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| Study of substances that contain carbon. |
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| Chemical reactions that produce heat. |
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| Capable of being mixed with another liquid in any proportion without separating. |
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| The term that describes the water-loving head of a surfactant molecule is: |
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| is an electrical unit that measures the number of electrons flowing through a wire. |
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| is a safe distance for an infrared lamp. The exposure time should be about 5 minutes, and the client should never be left unattended during that time. |
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| In the event of overload, a switch that automatically interrupts or shuts off an electric circuit is the: |
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| The greatest amount of heat is produced by the invisible rays called: |
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| often used in place of ammonia in many hair products because there is less odor associated with their use. |
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| One of the characteristics ____________ is that they tend to separate over time and must be shaken well before using. |
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| Salt water and fruit salad are examples of the type of combination of two or more substances called a/an: |
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| The unit that measures the pressure or force that pushes the flow of electrons forward through a conductor is the: |
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| Permanent haircolor creates a change in the hair that is an example of a: |
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| a measurement of how much electric energy is being used in one second. A 1,000-watt hair dryer uses 1,000 watts of energy per second. |
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| are the least penetrating rays, and also produce chemical effects and kill germs. |
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| A______________ or nonconductor is a substance that does not easily transmit electricity. Such as wood,glass and cement. |
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| Measures the pressure or force that pushes electrons forward. |
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Thermal or heat-producing current with a high rate of oscillation or vibration.
*Stimulates blood circulation
*Improves glandlar activity
*Increases elimation and absorption
*Increased metabolism
*Improves germicidal action
*Relieves congestion |
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| Use only one plug per outlet. |
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Anode (Positive Pole)
Reduces acidic reactions
Closes the pores
Soothes nerves
Decreases blood supply
Contracts blood vessels
Hardens and firms tisses
Cathode (Negative Pole)
Produces alkaline reactions
Opens the pores
Stimulates and irritates the nerves
Increases blood supply
Expands blood vessels
Soften tissues |
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Definition
Underwriter's Laboratory
certifies the safety of electricial appliances. |
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