What does sodium need to do to achieve a full outer shell?
Lose one electron
What does Chlorine need to do to achieve a full outer shell
Gain one electron
How many, and from where to where, will electron(s) move if Sodium and Chlorine are brought together?
One electron from Sodium will move to Chlorine
Sodium has lost an electron and given it to Chlorine. What Charge does sodium now have?
+1
Chlorine has gained an electron from Sodium. What charge does Chlorine now have?
-1
Sodium and Chlorine have formed an ionic bond. What is the molecular formula?
NaCl
Magnesium has formed an ionic bond with oxygen. What is the molecular formula?
MgO
Magnesium and Chlorine have formed an ionic bond. What is the molecular formula?
MgCl2
What charge ion will Potassium form?
+1
In terms of forming ions, what makes the transition metals special?
They can form more than one type of ion
How many electrons does Lithium have in its outer shell?
1
How many electrons does Fluorine have in its outer shell?
7
Both Hydrogen and Chlorine need 1 extra electron. How do they resolve this?
They share electrons (a covalent bond)
What is the name of the bond formed when atoms share electrons?
Covalent bond
Oxygen and oxygen form a covalent bond by sharing 2 electrons each. What is this type of bond called?
a DOUBLE covalent bond
Nitrogen and Nitrogen form a covalent bond by sharing 3 electrons each. What is this type of bond called?
a TRIPLE covalent bond
