ELEMENT CK12

What is the chemical symbol for gold?

Au

How are most elements found in nature?

combined with other elements because elements are generally reactive

Which of the following is NOT an element?

water

Are elements considered to be substances?

yes, because they have a definite composition

What is the name of the reference that lists all the known elements?

The Periodic Table of Elements

A substance made up of only atoms of one type is called a(n) ___.

element

A substance which cannot split up into two or more simpler substances by physical or chemical methods is called a/an _____.

element

a(n) ____ is the simplest form of matter that has a unique set of properties

element

Which element has the highest monetary value?

gold

Which element has been known for centuries?

iron