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
Substance does NOT change into another substance.
Physical Change
A chemical reaction is related to this type of change.
Chemical Change
How many valence electrons does an atom need to be stable?
8
transfer
CO2
How many carbon and oxygen atoms does the compound above contain?
1 C
2 O
Type of change where bonds are broken or formed.
Chemical Change
Substances that undergo a chemical change.
Reactants
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
New substance being produced after a chemical reaction.
Products
On the whiteboard, send a representative to draw the dot diagram for Nitrogen
Covalent bonds _________ electrons
share
The smallest building block for all matter.
Atoms
This type of bond will form charged particles.
Ionic Bonds
This type of reaction absorbs heat, making it feel cold.
Endothermic
Send a representative to draw the dot diagram for Krypton on the whiteboard
Is NaCl and ionic or covalent bond?
How many glucose molecules (C6H12O6) can you make if you have 13 Carbon, 22 Hydrogen, and 16 Oxygen
1
Which type of bond will produce an exothermic reaction when formed?
Ionic Bonds
C2H2 + H2 -> C2H6
Is the following chemical equation balanced?
(Bonus 200 if you balance it correctly)
No.
C2H2 + 2H2 -> C2H6