To further understand the relations of elements, molecules, and atoms, study the illustrations
A molecule of water consists of three atoms of two different elements: two atoms of hydrogen and
one of oxygen. If a molecule of water were broken down any further (into atoms), the
characteristics of water would disappear, leaving only three atoms of two unrelated elements.
Match each term in column A with its definition in column B.
The smallest particle of an element that retains
the identify of the element.
____(2 ) Element.
The smallest particle of a substance that retains
the characteristics of the substance.
A substance that cannot be broken down into a
simpler substance by any chemical means.