U4 - Relationship in group + periods Flashcards
1
Q
Group numbers indicate what
A
number of outer shell electrons
2
Q
What do period numbers indicate
A
number of shells around nucleus of an element
3
Q
Why are noble gases neutral
A
they have a full outer shell
4
Q
What happens to all the atoms from groups I – VII and explain why
A
l
They lose, gain or share electrons in their outer shells in
order to attain a noble gas structure.
Because they will try to fill their outer shells because a
filled outer shell is a stable state.
