102.6-102.7 Chemistry matter & ph

What is the most common element in the universe?

A simple unit of a carbohydrate is called:

Why is pure water considered a neutral substance?

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

Many products estheticians use are the result of chemically uniting 2 different elements, which is known as?

Acid tends to taste:

What kind of substance does pH indicate the acidity or alkalinity of?

Atoms that are the same form a:

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

What’s happens when alkali is placed in water?

The chemical symbol carbon is:

Basic substances that can not be broken down into simpler substances are called?

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

On the pH scale, numbers less than 7 indicate a?

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

What color does red litmus paper turn when places in alkali?

Water molecules have 2 hydrogen atoms and 1?

A solution that has more negative hydroxide ions than positive are?

Which of the following is NOT an example of physical change?

Which of the following conditions is an ex. Of chemical change?

The atomic number of a particular element indicates:

Electrons have which type of electrical charge?

Distilled water with a pH of 7 is considered?

In what pH range is hair, skin and nails?

Why do unstable atoms seek other atoms with which they can share electrons?

A solid is defined as:

On the pH scale, numbers greater than 7 indicate a:

Atoms have 3 main parts: Protons, neutrons and:

The primary materials the body uses to construct and renew itself is?

What is a negatively charged ion called?

Why is skin a solid?

Two or more atoms joined together by a chemical bond is a ?

When 2 molecules of the element oxygen have combined, it is called a?

What is created when amino acids join together in chains:

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

All of the following statements regarding the pH scale are true EXCEPT:

What is the smallest complete unit of an element?

When a substance gains an electron and oxygen is released, the process is called?

pH stands for?

What ingredient is listed as the primary ingredient on many skin care products?