Ionic Unit
Ionic and Covalent Units
Covalent and Chemical Reactions Unit
Chemical Reactions Unit Pt. 2
100
Evaluate how many Sulfur and Sodium need to bond with each other in order for there to be a full octet.
1 Sulfur and 2 Sodium
100
Show all your work to receive the maximum amount of points on the following questions:
What is the name of the compound containing polyatomic ions for the formula CrO4-2?
What is the formula for the polyatomic ion, Bromate?
Chromate
BrO3-
100
What is the molar mass of PCl3 to the nearest hundredth?
137.33 g/mol
100
Using the law of conservation of matter and molar mass, explain how you would make this equation balanced using coefficients..
_Fe +_O2 = _Fe2_O3
4Fe +3O2 = 2Fe2O3
200
Predict if these two elements will form an ionic compound: Aluminum and copper.
No, these will not form an ionic compound.
200
What is the molar mass of Tin (IV) chloride? Show all your work.
260.5 g/mol
200
How many moles of each element are in Carbon Dioxide?
There is 1 mole of Carbon and 2 moles of Oxygen.
200
Balance the following chemical equation. NaCl + H2SO4 → Na2SO4 + HCl
2NaCl + 1H2SO4 → 1Na2SO4 + 2HCl
300
Fill in the blanks and then answer the question at the end to receive the maximum amount of points.
The name of the metallic cation is the same as the _______.
The name of the nonmetallic anion always end in “___”.
What is the name of the Ionic compound for the formula, MgCl2?
Metal
IDE
Magnesium Chloride
300
Name the ways that physical properties of ionic and covalent compounds differ. Check all that apply.
Ionic compounds have a higher melting point than covalent.
Covalent compounds have a higher melting point than ionic.
Ionic compounds conduct electricity in an aqueous solution.
Covalent compounds are softer while Ionic are hard.
A, C, D
300
What is the molecular geometry for BH3?
Trigonal Planar
300
What is the ratio of H2 and H2O?
_H2 + _O2 → _H2O
A: 1:2
B: 2:2
C: 3:1
D: 1:1
B
400
Show all your work to receive the maximum amount of points on the following questions:
What is the name of the Binary Ionic compound for the formula, BeF2?
What is the formula for the Binary Ionic compound, Lithium Fluoride?
Beryllium fluoride
LiF
400
Use your knowledge of the octet rule to choose the correct Lewis Dot diagram of H2O.
A)
B
400
What is the product of Magnesium Chloride and Iodine?
MgCl2 + I2 → 2MgI + 2Cl2
400
Match the letters with the correct chemical reactions.
__ H2 + O2 → H+O
__ H + Cl2 → 2HCl
__ CH4 + O2 → CO2 + H2
__ Fe + H2O → Fe3O4 + H2
__ KCl + AgNO3 → KNO3 + AgCl
A: Decomposition
B: Double Replacement
C: Single Replacement
D: Synthesis
E: Combustion
_A_ H2 + O2 → H+O
_D_ H + Cl2 → 2HCl
_E_ CH4 + O2 → CO2 + H2
_C_ Fe + H2O → Fe3O4 + H2
_B_ KCl + AgNO3 → KNO3 + AgCl
500
Show all your work to receive the maximum amount of points on the following questions:
What is the name of the compound containing a metal with more than one charge, FeCl3?
What is the formula for the compound, Cobalt (II) nitrate?
Iron (III) chloride
Co(NO3)2
500
What is the name of the covalent compound PCl3, and what is the chemical formula for Hydrogen Chloride?
Phosphorus Trichloride and HCl
500
What are all of the seven diatomic elements?
A: F2, Br2, Cl2, N2, Al2, H2, Mg2
B: F2, Br2, Cl2, N2, Al2, Cr2, O2
C: F2, Br2, Cl2, N2, H2, I2, O2
D: F2, Br2, Cl2, N2, H2, C2, O2
C
500
Using the metal activity series, determine if this single replacement reaction occurs in the chemical equation Cl2 + NaBr.
No reaction