Electrons - What are
tiny, very light particles that have a negative electrical charge. Electrons are
negatively charged, circling the nucleus, making it a neutral, orbital particle.
much larger and heavier than electrons and have a positive charge.
positively charged and located in the nucleus together with the neutrons.
Electrons have a charge of +1 and a mass of approximately 1 atomic mass unit
Number of Electrons - How to find the Atomic Number
of an element
Every element has a unique Element Symbol and a unique Atomic
Number which can be accessed via the
with Atomic Mass.