Chemistry Flashcards

1
Q

Basic units of matter

A

Elements

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2
Q

Number of Protons in an element

A

Atomic number

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3
Q

Smallest unit of element

A

Atoms

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4
Q

These elements make skin , hair , nails.

A

Carbon, Oxygen, Hydrogen, Nitrogen and Sulfur

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5
Q

Atoms are made of:
_________= positive charge
_________=no charge
_________=negative charge

Protons+Neutrons=_________ _________

A
Proton = Positive
Neutrons = Neutral
Electrons = Negative

Protons+Neutrons= Molecular weight in the nucleus

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6
Q

Unstable atoms share electrons and chemically combine

A

Molecule

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7
Q

Different elements combine

A

Compound

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8
Q

What does the body use to renew itself?

A

Protein to renew and construct

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9
Q

Dissolve large molecules into smaller ones

A

Enzymes break down large molecules

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10
Q

How many acids?

A

22

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11
Q

What do amino acids consist of?

A

Carbon, Hydrogen, Oxygen, Nitrogen

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12
Q

pH

A

potential Hydrogen

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13
Q

pH of skin

A

4.5-5.5

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14
Q

What is pH of distilled water

A

7 ( neutral )

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15
Q

The pH scale is?

A

Logorythmic

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16
Q

A pH of 10 is how many times more alkaline than 8?

A

100

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17
Q

2 or more compounds mixed physically

A

Mixture

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18
Q

2 or more chemicals

A

Chemical mixture

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19
Q

Liquid

A

Solvent

20
Q

Solid

A

Solute

21
Q

Even dispersion of solid in liquid

A

Suspension

22
Q

Increases viscosity ( thickness )

A

Gel

23
Q

Finely ground substances

A

Powder

24
Q

Anhydrous, oils+wax

A

Ointment

25
Q

Mix 2 or more immiscibles united with emulsifier

A

Emulsion ( cremes, moisturizers )

26
Q

Binders and preservatives

A

Emulsifier

27
Q

What is Sodium Hyaluronate?

A

Humectant ( binds water )

28
Q

Oils that soften skin

A

Emollients-oils.

Ex . Jojoba and silicone oils

29
Q

What is Caprylic Acid and keeps skin firm and soft

A

Fatty acid

30
Q

What is Cetylalcohol ?

A

Fatty Alcohol

31
Q

Helps efficacy of preservatives

A

Chelating Agent

32
Q

Fragrance-Free or Preservatives- Free-Product has less than

A

1%

33
Q

Found in cleansers

A

Surfactants

34
Q

Ingredient that come from plants

A

Botanicals

35
Q

Helps maintain product quality

A

Preservatives/ parabens

36
Q

Decrease skin inflammation and free radicals

A

Antioxidants

37
Q

List 5 antioxidants

A

Parsol 1789
Octocrylene
Qxybenzone

38
Q

List 3 common UV absorber ingredients in sunscreen

A

Octylmethoxycinnamate, Salicylate

39
Q

List the 2 most common UV Blockers

A

Zinc Oxide

Titanium Dioxide

40
Q

Glycolic and lactic are

A

Alpha Hydroxy Acids ( AHA )

41
Q

Papain and Bromilain

A

Enzymes

42
Q

Salicylic

A

Beta Hydroxy Acid ( BHA )

43
Q

List 5 Lightening ingredients

A
Grape Seed
Kojic Acid
Licorice
Lactic Acid
Rice Extract
44
Q

Mix of sweat , sebum , lipids and minerals that protects skin

A

Acid Mantle

45
Q

Created by Emollients and seal in moisture

A

Occlusive Barrier