C-Types of reactions: predict and balance
Authored by Erin Craven
Science
9th - 12th Grade
NGSS covered
Used 1+ times
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21 questions
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1.
MATCH QUESTION
1 min • 4 pts
Match the following Formula the type of compound
Ionic with transition metal
Al2O3
Ionic
NiN
Polar Covalent
H2O
NonPolar Covalent
H2
Answer explanation
Ionic = Metal (with one oxidation number)+ Nonmetal
Ionic with transition metal= Metal (with multiple oxidation numbers) + Nonmetal
Polar Covalent= Nonmetal + Nonmetal, the electronegativity difference b/w 0.4 and 1.8
NonPolar Covalent = electroneg. difference less than 0.4
2.
DRAG AND DROP QUESTION
1 min • 2 pts
When writing the formula for a (a) compound, the prefixes become the (b)
Answer explanation
Covalent compound you use prefixes
mono=1, di=2, tri=3, tetra=4, penta=5, hexa =6, hepta=7, octa=8, nona=9, decka =10
prefix nonmetal (name) + prefix (root)nonmetal-ide (ending)
3.
DROPDOWN QUESTION
1 min • 1 pt
The name for Cr2O3 is (a)
4.
DRAG AND DROP QUESTION
30 sec • 5 pts
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
If an element is diatomic it should have a subscript of___
1, always
2, only when it is by itself
it shouldn't have a subscript, it should have a coefficent
6.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Fill in the blank. (Copper has a charge of +2)
Cu+ AgNO3--> Ag + (a)
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Complete the balanced equation for this Double Replacement reaction.
3 NaOH + Fe(NO3)3 -->
NaFe + OH(NO3)3
2NaNO3
3 NaNO3 + Fe(OH)3
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