102.6 Matter

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

Pure substances are made of only one type of:

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

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

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

What is the smallest complete unit of an element?

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

Why is skin a solid?

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

Protons have which type of electrical charge?

The atomic number of a particular element indicates:

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

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

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

Atoms that are the same form a(n):

A solid is defined as:

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

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

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

Atoms that are different form a(n):

The simplest atomic structure is:

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

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

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

Atoms have three main parts: protons, neutrons and:

The chemical symbol for carbon is:

Neutrons have which type of electrical charge?

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

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

Electrons have which type of electrical charge?