GoConqr has a new look! Let us know what you think.
Notes
Erin Copeman English 2 pages
Mass number = number of protons = number of neutrons
Atomic number = number of protons
the number of electrons is the same as the number of electrons.
The first shell can only hold 2 electrons but each shell after that can hold 8
Group number = last number in the electron configuration
More on Atomic Structure
What is it about?
Write your message.
We'll include this page's address.
Thank you! We'll look into it.
Ref.
Choose an answer or write a few words.
Thank you! We read every message.
