The smallest unit of matter that retains the properties of an element is called a:

What is the smallest unit of matter that makes up the substances shown in the table

What is the smallest particle of an element that still retains the properties of that element?1 pointA) AtomB) MoleculeC) CompoundD) Electron

I am the smallest unit of an element. I consist of a nucleus surrounded by electrons. My name comes from the Greek word meaning "indivisible." Who am I?

a. Define the term atomic mass unit.

What are the properties of matter ?