What is one way to describe elements?
a. they are the smallest particles of any material.
b. they are the building blocks of matter.
c. they are the most expensive materials on earth.
d. they break down easily.

1.       The answer is B. They are the building blocks of matter.
Elements are the building blocks of matters. They were also known as chemical elements that composed of atoms and protons. Elements can be seen in the periodic table of elements. Elements were usually combined to create a new chemical compound.
Element has an atomic number, isotopes, isotopes mass and atomic mass, melting point and boiling points, densities, properties, structures, occurrence and origin.
Example of elements:
=> Hydrogen = H
=> Lithium = Li.

They use the si unit, or metric system its all the same thing