Pivot Point Chemistry

Question 1

Which is the most abundant element in the earth&#x27;s crust & 2nd most abundant element in the earth&#x27;s atmosphere?

Accepted Answer

oxygen

Question 2

When two hydrogen atoms combine with one oxygen atom, the result is a water molecule, which is a(n):

Accepted Answer

compound

Question 3

Which of the following statements describes how human hair is formed?

Accepted Answer

bonding of protein chains to other protein chains

Question 4

The simplest atomic structure is:

Accepted Answer

hydrogen

Question 5

Electrons have which type of electrical charge?

Accepted Answer

negative

Question 6

When amino acids combine to form the protein of the hair:

Accepted Answer

they take on a spiraling configuration

Question 7

Which of the following items has definite weight and volume but no definite shape?

Accepted Answer

conditioners, solutions and shampoos

Question 8

Carbon, nitrogen, oxygen and hydrogen form the basis of:

Accepted Answer

amino acids

Question 9

Atoms that are different form a(n):

Accepted Answer

compound

Question 10

Matter with definite weight but indefinite volume and shape is called:

Accepted Answer

a gas

Question 11

Which bonds found in the hair can be easily broken by heat or water?

Accepted Answer

hydrogen bonds

Question 12

What makes up the primary composition of hair?

Accepted Answer

keratin

Question 13

Atoms have three main parts: protons, neutrons and:

Accepted Answer

electrons

Question 14

All matter that is now living or was alive at one time, with carbon present:

Accepted Answer

organic chemistry

Question 15

The chemical symbol for carbon is:

Accepted Answer

C

Question 16

Hair comprises two solids which are carbon and sulfur & three gases which are hydrogen, nitrogen and:

Accepted Answer

oxygen

Question 17

Which bond is the backbone of all protein molecules?

Accepted Answer

peptide

Question 18

Neutrons have which type of electrical charge?

Accepted Answer

none

Question 19

Two or more of the same atoms joined together by a chemical bond is a(n):

Accepted Answer

molecule

Question 20

Atoms that are the same form a(n):

Accepted Answer

element

Question 21

The term used to identify anything that occupies space and has weight is called:

Accepted Answer

matter

Question 22

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

Accepted Answer

disulfide bond

Question 23

The term used to identify anything that occupies space is

Accepted Answer

matter

Question 24

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

Accepted Answer

peptide bonds

Question 25

Protons have which type of electrical charge?

Accepted Answer

positive

Question 26

The scientific study of matter and the physical and chemical changes of matter:

Accepted Answer

chemistry

Pivot Point Chemistry

Questions 26

Pivot Point Chemistry

Questions 26