Lewis and Clark? No! Lewis Dot Diagrams
How can you find an atoms # of valence electrons?
group #
What type of elements do ionic bonds occur between?
metal - nonmetal
How many elements are present in a compound
2 or more
Which bond is between two metals?
Metallic Bond
Sulfur and Iodine would form what kind of bond?
Covalent Bond
How many valence electrons does an atom need to be stable?
8
Ionic bonds ________ electrons
transfer/give and take
CO2
How many carbon and oxygen atoms does the compound above contain?
1 C
2 O
Share/sea of electrons
List 2 characteristics of metallic bonds
metals, stability, sea of electrons, malleable, ductile, good conductors, hight melting and boiling point, usually solid, do not dissolve in water, shiny
What do dot diagrams show you?
The number of valence electrons
What type of elements do covalent bonds occur between?
nonmetal - nonmetal
H2O
What is the 2 also know as?
subscript
This type of bond shares properties of nonmetal elements.
Covalent Bonds
Write the chemical formula showing 3 Aluminium and 2 Phosphorus atoms.
Al3P2
On the whiteboard, send a representative to draw the dot diagram for Nitrogen
Covalent bonds _________ electrons
share
Write the chemical structure of NH3
H-N-H
|
H
This type of bond will form charged particles.
Ionic Bonds
List 2 characteristics of covalent bonds
between nonmetals, share electrons, stability, low melting and boiling points, either gas liquid or solid, poor conductors, dull
Send a representative to draw the dot diagram for Krypton on the whiteboard
Is NaCl and ionic or covalent bond?
Draw the chemical structure and write the chemical formula for Magnesium (Mg) and Iodine (I)
MgI2
Which type of bond form salts?
Ionic Bonds
List 2 characteristics of ionic bonds
metal/nonmetals, stability, give or take electrons, become positive/negatively charged, easily breaks, high melting and boiling point, solid crystals (form salts), dissolves in water, are only good conductors in water solutions.