Flashcards in Atoms and Elements Deck (10):
Describe a NUCLEUS
In the MIDDLE of an atom
Contains PROTONS and NEUTRONS
TINY compared to the size of the atom (grain of sand in a room)
What charge does a PROTONS have?
What charge does a NEUTRONS have?
No charge - Neutral
Move AROUND the nucleus
They're TINY, but they cover A LOT of space
They occupy SHELLS around the nucleus
What charge does an ATOM have?
No charge overall
Number of Protons = ...
... the Number of Electrons
The charge on the electrons is the [ ] size as the charge on [ ] but opposite
If some electrons are ADDED or REMOVED...
... then the atom becomes CHARGED and then is an ION
[ ] consist of ONE TYPE of atom only