102.5&102.6 Chemistry matter and ph

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

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

Why is pure water considered a neutral substance?

Why is skin a solid?

What is a negatively charged ion called?

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

A solid is defined as matter with:

Two or more atoms joined together by a chemical bond

Atoms have three main parts: protons, neutrons and:

The chemical symbol for carbon is:

Atoms that are the same form a(n):

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

What is the smallest complete unit of an element?

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

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

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

Distilled water with a pH of 7 is considered:

The atomic number of a particular element indicates:

Electrons have which type of electrical charge?

what color does red litmus paper when placed in an alkali or base

ph stands for

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

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

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

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

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

A simple unit of a carbohydrate is called:

What happens when an alkali is placed in water?

Acids tend to taste:

What is created when amino acids join together in chains?

Water molecules have two hydrogen atoms and one:

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

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

what color does blue litmus paper when placed in an acid

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

When two molecules of the element oxygen have combined, it is called a(n):

On the pH scale, numbers less than 7 indicate a(n):

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

What is the most common element in the universe?

what is the ph of hair skin and nails