Chemistry Flashcards

1
Q

Amino acids that create proteins are linked together end to end by

A

Peptide bonds

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2
Q

Atoms that different from a(n)

A

Compound

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3
Q

All matter that is not alive, has never been alive and doesn’t contain carbon, such as rocks, water and minerals falls within the study of

A

Inorganic matter

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4
Q

All matter that is now alive, or was alive at one time, with carbon present, falls within the scientific division of

A

Organic chemistry

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5
Q

Atoms that are the same form a(n)

A

Element

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6
Q

Basic substances that cannot be broken down into simpler substances are called

A

Elements

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7
Q

Carbon, nitrogen, oxygen and hydrogen form the basis of

A

Amino acids

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8
Q

Hair consists of 97%

A

Keratin

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9
Q

Matter with definite weight and volume but no definite shape is called

A

Liquid

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10
Q

Matter with definite weight but indefinite volume and shape is called

A

Gas

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11
Q

Matter with definite weight, volume and shape is known as

A

Solid

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12
Q

Neutrons has which type of electrical change

A

Neutrons have no electrical charge

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13
Q

Protons have which type of electrical charge?

A

Positive

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14
Q

The atomic number of a particular element indicates

A

The number of protons in a single atom

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15
Q

The scientific study of matter and the physical and chemical changes of matter is known as

A

Chemistry

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16
Q

The simplest atomic structure is

A

Hydrogen

17
Q

What is created when amino acids join together in chains

A

Proteins

18
Q

What is the side bond that is of greatest concern to the salon professional

A

Disulfide bond

19
Q

Which bond is the backbone of all protein molecules

A

Peptide bond

20
Q

Which of the following conditions is an example of chemical change

A

Oxygen and hydrogen combining to form water

21
Q

What is the abundant element in the earth’s crust and second most abundant element in the earth’s atmosphere

A

Oxygen

22
Q

Which of the following statements describes how human hair is formed

A

Bonding of protein to other protein chains

23
Q

A pH of 5 is how many times acidic than a pH of 6

A

10

24
Q

A solution that has more positive hydrogen ions than negative hydroxide ions is

A

Acidic

25
Q

Acids tends to taste

A

Sour

26
Q

Alkalis tend to taste

A

Bitter

27
Q

Distilled water with a pH of 7 is considered

A

Neutral

28
Q

In what pH range is skin and nail

A

4.5 to 5.5

29
Q

pH balanced refers to a product that ranges from a pH of

A

4.5-5.5