Sodium and Chlorine have formed an ionic bond. What is the molecular formula?
NaCl
How many electron shells does a sulfur atom have?
3
What is the name of the bond formed when atoms share electrons?
Covalent bond
What does Chlorine need to do to achieve a full outer shell
Gain one electron
Oxygen and oxygen form a covalent bond by sharing 2 electrons each. What is this type of bond called?
a DOUBLE covalent bond
Carbon needs 4 more electrons, Hydrogen only needs 1. When bonding together, how do they resolve this?
4 Hydrogens share with 1 Carbon atom.
What charge ion will Potassium form?
+1
How many electrons does Fluorine have in its outer shell?
7
How many electron shells does a Calcium atom have?
4
Nitrogen and Nitrogen form a covalent bond by sharing 3 electrons each. What is this type of bond called?
a TRIPLE covalent bond
What does sodium need to do to achieve a full outer shell?
Lose one electron
Carbon and Oxygen have formed a covalent bond. What is the molecular formula?
CO2
Hydrogen and Oxygen have formed a covalent bond. What is the molecular formula?
H2O
How many electrons does Lithium have in its outer shell?
1
Magnesium has formed an ionic bond with oxygen. What is the molecular formula?
MgO
Both Hydrogen and Chlorine need 1 extra electron. How do they resolve this?
They share electrons (a covalent bond)
Sodium has lost an electron and given it to Chlorine. What Charge does sodium now have?
+1
In terms of forming ions, what makes the transition metals special?
They can form more than one type of ion
Chlorine has gained an electron from Sodium. What charge does Chlorine now have?
-1
Magnesium and Chlorine have formed an ionic bond. What is the molecular formula?
MgCl2
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
Nitrogen and Hydrogen have formed a covalent bond. What is the molecular formula?
NH3