Flashcards in Atomic structure Deck (11)
Are atoms charged?
No- the protons and electrons cancel out.
What does an atoms nucleus contain?
Protons and neutrons.
What is an atomic mass?
The atoms protons + neutrons.
An atoms electric structure is 2,8,1. What category is it in the periodic table?
Group 1- sodium.
What is a ion?
A charged atom
What is a noble gas.
A gas with a full outer shell.
Are noble gases reactive.
No as they have no need to fill their outer shells.
When does a atom become an ion?
When electrons are added or removed, giving the atom a charge
An atoms atomic number?
Number of protons
Why are atoms charged?
Becuase they've lost or gained electrons.