Chemistry Review

On the pH scale, numbers less than 7 indicate:

Atoms have three main parts: protons, neutrons, and electons

The atomic number of a particular element indicates:

What color does blue litmus paper turn when placed in an acid?

What is created when amino acids join togehter in chains?

Electrons have negative electrical charge.

The chemical symbol for carbon is:

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

The most accurate method of meausring pH is with:

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

Atoms that are different form a(n):

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

The simplest atomic structure is:

Hair consists of 97% :

Iron changing to rust is an example of physical change.

The pH range of skin and hair is 6.5 to 7.0.

All of the following statements regarding pH are true EXCEPT:

Protons have positive electrical charges.

On the pH scale, numbers greater than 7 indicate:

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

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

What is the most abundant element in the earth's crust & the second most abundant element in the earth's atmosphere?

Distilled water with a pH of 7 is considered:

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

The bonds found within hair that help organize protein chains in order to build hair are called:

Peptide is the bond that is the backbone of all protein molecules.

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

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

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

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

All matter that is not alive, has never been alive and doesn't contain carbon falls within the study of:

What is the pH range of hair, skin, and nails?

Alkalis tend to taste:

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

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

Neutrons have which type of electrical charge?

Water molecules have two hydrogen atoms and one:

Which of the following conditions is an example of chemical change?

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

Substances of acidic or alkaline nature dissolve in water and/or contain:

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

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

Which of the following items has/have definite weight & volume but no definite shape?

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

Water freezing and becoming ice is an example of chemical change.

Keratin makes up the the primary composition of hair.

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

What color does red litmus paper turn when placed in an acid?

Acids tend to taste :