Ions and valency Flashcards
1
Q
What are noble gases
A
Noble gasses are very unreactive, they are intert gases.
All noble gases have 8 electrons in their outer energy level.
They do not need to gain or lose electrons
2
Q
What are ions
A
Atoms which have gained or lost electrons
No longer neutral, they become charged (either positively or negatively)
3
Q
What are positive ions?
A
Positive ions form when atoms lose electrons
