A Nearly Full Shell is Well Keen to Get That Extra Electron... Flashcards
1
Q
What is on the other side of the periodic table?
A
Elements in group 6 and 7, which have outer shells that are nearly fully
2
Q
What do these elements want?
A
Want to gain extra one or two electrons to fill up shell
3
Q
What do they become?
A
Ions, witch patch on to the atom they gave up the electron a moment earlier
4
Q
What is a classic case of this?
A
Sodium and chlorine
5
Q
What does the sodium atom do?
A
Gives up its outer electron and becomes an Na+ ion
6
Q
What does the chlorine atom do?
A
Picks up the spare electron and becomes a Cl- ion