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?

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

I am the simplest element with atomic number 1. I usually have one proton, and one electron,  but no neutron. I am the most abundant element, and I am responsible for the good and the bad. I am the primary fuel source of the sun, but it was me that caused the Hindenburg zeppelin to burn so rapidly. What element am I?

State the name of the element used in the definition of an atomic mass unit (amu).

a. Define the term atomic mass unit.

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