Ionic Bonds
What types of elements make up an ionic bond?
a metal and a nonmetal
What types of elements make up a covalent bond?
nonmetals
NaCl
sodium chloride
lithium fluoride
LiF
List one element from the alkaline earth metals family
anything from group 2
What charge or ion do metals always create?
positive cation
What is the prefix for 4?
tetra
H2O
dihydrogen monoxide
sulfur dichloride
SCl2
Is calcium oxide ionic or covalent?
ionic
What happens to the electrons in an ionic bond?
they are transferred
What happens to the electrons in a covalent bond?
they are shared
K2S
potassium sulfide
magnesium bromide
MgBr2
What charge does nitrogen make?
-3
Is sulfur (S) a metal or a nonmetal?
Draw a dot diagram for sulfur (S)
Let's check!
N2O3
dinitrogen trioxide
nitrogen trihydride
NH3
2
What charge does phosphorus (P) create?
-3
How many unpaired valence electrons does Nitrogen have?
3
CS4
carbon tetrasulfide
sodium sulfide
Na2S
Explain why a log will float on water, but a small rock sinks.
The log is less dense than the water and the rock is more dense.