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WorksheetsClasswork12-11
Total questions: 16
Worksheet time: 34mins
The octet rules states that most elements want to have _____ valence electrons.
2
4
6
8
How many valence electrons does Oxygen (O) have?
6
8
15
16
What type of bonding does this picture show?
Ionic
Covalent
Why don't noble gases form bonds?
They all have a full octet
Noble gases do form bonds
They only bond when with eachother
none of these answers are correct
During a chemical reaction, atoms can
be destroyed to form a new substance
be created to form a new substance
be rearranged to form a new substance
What is a coefficient?
Number behind molecule (does not apply)
Number in front of molecule (applies to whole thing)
Applies to the element it follows
We balance equations to show...
Change
Reactants
Products
Conservation of mass
Which substance contains bonds that involve a sharing of electrons from one atom to another?
CuO
NH3
KBr
FeCl2
