102.6 Matter

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

There are 118 known elements; those above which element are synthetic?

Water freezing and becoming ice is an example of what type of change?

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

Atoms that are not missing any electrons in their outer shell and are considered electrically neutral are called:

Pure substances are made of only one type of:

What is the most common element in the universe?

What is the smallest complete unit of an element?

Electrons have which type of electrical charge?

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

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

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

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

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

Atoms that are different form a(n):

Why is skin a solid?

The chemical symbol for carbon is:

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

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

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

What are the three major biochemical compound groups in the body?

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

What is created when amino acids join together in chains?

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

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

What is it called when a substance loses an electron and oxygen is acquired?

A simple unit of a carbohydrate is called:

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

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

Atoms have three main parts: protons, neutrons and:

A solid is defined as:

The atomic number of a particular element indicates:

Which of the following biochemical compounds form components that fill the intercellular spaces in the skin?

Protons have which type of electrical charge?

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

Atoms that are the same form a(n):

The most abundant element in the earth’s crust & second most abundant element in earth’s atmosphere:

The simplest atomic structure is:

A bond uniting two amino acid groups that create proteins are:

Neutrons have which type of electrical charge?