Name:     ID: 
 
Email: 

Unit 5 Honors multiple choice Test

Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 1. 
Which of the following elements can form diatomic molecules held together by triple covalent bonds?
a.
carbon
b.
Iron
c.
sulfur
d.
phosphorus
 

 2. 
Which of the following best describes Ca+2?
a.
Ca+2 is an anion because it has gained two electrons
c.
Ca+2 is a cation because it has gained 2 electrons
b.
Ca+2 is a cation because it has lost two electrons
d.
Ca+2 is an anion because it has lost two electrons
 

 3. 
Which of the following correctly provides the names and formulas of polyatomic ions?
a.
sulfite: Smc003-1.jpg; sulfate: SOmc003-2.jpgmc003-3.jpg
b.
chromate: CrOmc003-4.jpgmc003-5.jpg; dichromate: Crmc003-6.jpgOmc003-7.jpgmc003-8.jpg
c.
nitrite: NOmc003-9.jpg; nitrate: NOmc003-10.jpgmc003-11.jpg
d.
carbonate: HCOmc003-12.jpgmc003-13.jpg; bicarbonate: COmc003-14.jpgmc003-15.jpg
 

 4. 
Which of the following correctly provides the name of the element, the symbol for the ion, and the name of the ion?
a.
fluorine, Fmc004-1.jpg, fluoride ion
b.
copper, Cumc004-2.jpg, carbonous ion
c.
sulfur, Smc004-3.jpg, sulfide ion
d.
zinc, Znmc004-4.jpg, zincate ion
 

 5. 
Which of the following is true about the composition of ionic compounds?
a.
They are composed of cations only.
b.
They are composed of anions and cations.
c.
They are formed from two or more nonmetallic elements.
d.
They are composed of anions only.
 

 6. 
A sodium atom (Na) and a sodium ion (Na+) must have the same number of -
a.
protons
c.
None of the above
b.
Both protons and electrons
d.
electrons
 

 7. 
One of the wavelengths emitted by hydrogen atoms is
6.56 x 10-7 m. Calculate the frequency if the speed of light is 3.00 x 108 m/s..
a.
4.57 x 10-6 Hz
c.
1.97 x 1014 Hz
b.
4.57 x 1014 Hz
d.
4.57 x 10-7 Hz
 

 8. 
Which of the following is a possible compound formed from Cu+3 and NO3-1?
a.
Cu2(NO3)
c.
Cu(NO3)3
b.
Cu(NO)
d.
Cu3(NO2)
 

 9. 
In which of the following is the name and formula given correctly?
a.
sodium oxide, NaO
b.
barium nitride, BaN
c.
cobaltous chloride, CoClmc009-1.jpg
d.
tin (IV) fluoride, SnFmc009-2.jpg
 

 10. 
Which of the following is the correct name for Nmc010-1.jpgOmc010-2.jpg?
a.
dinitrogen pentoxide
b.
nitrogen dioxide
c.
nitrate oxide
d.
nitrous oxide
 

 11. 
When a metal reacts with a nonmetals, the metal tends to -
a.
gain protons and form an anion
c.
lose electrons and form a cation
b.
lose protons and form a cation
d.
gain electrons and from an anion
 

 12. 
How do atoms achieve full valence energy levels in single covalent bonds?
a.
Two atoms transfer electrons in a sea of mobile electrons
b.
Two atoms share two electrons.
c.
One atom completely loses two electrons to the other atom in the bond.
d.
Two atoms gain electrons and one element loses electrons while becoming charged.
 

 13. 
As wavelength increases, what happens to Frequency and Energy?
a.
Frequency decreases, Energy increases
c.
Frequency increases, Energy decreases
b.
Both Increase
d.
Both Decrease
 

 14. 
In the following compound: Iron (III) oxide, what do the roman numerals indicate?
a.
The charge of the cation is +2
c.
The charge of the anion is -3
b.
The charge of the anion is -2
d.
The charge of the cation is +3
 

 15. 
Which of the following factors contributes to the increase in ionization energy from left to right across a period?
a.
an increase in the shielding effect
b.
an increase in the number of protons
c.
fewer electrons in the highest occupied energy level
d.
an increase in the size of the nucleus
 

 16. 
Which of the following is considered a physical property of a substance?
a.
malleability
b.
products of decomposition
c.
reaction with an acid
d.
ability to oxidize
 

 17. 

What does the 3 represent in the following electron configuration, 1s2 2s2 2p6 3s2 3p6?
a.
Orbitals
c.
Electrons
b.
Sublevel
d.
Energy level of electrons
 

 18. 
Which of the following compounds is NOT an ionic compound?
a.
CO2
c.
MgBr2
b.
Li(NO3)
d.
NaCl
 

 19. 
What causes NH3 to have it’s shape, according to VSEPR theory?
a.
the unusual location of the free electrons
b.
interaction between the fixed orbitals of the unshared pairs of hydrogen
c.
repulsive forces between unshared pairs of electrons and bonds
d.
ionic attraction and repulsion
 

 20. 
Which of the following formulas represents an ionic compound?
a.
Nmc020-1.jpgOmc020-2.jpg
b.
PClmc020-3.jpg
c.
BaImc020-4.jpg
d.
CSmc020-5.jpg
 

 21. 
Ionic compounds are normally in which physical state at room temperature?
a.
liquid
b.
solid
c.
gas
d.
plasma
 

 22. 
How many valence electrons does a helium atom have?
a.
2
b.
3
c.
5
d.
4
 

 23. 
How many valence electrons are in a silicon atom?
a.
2
b.
8
c.
6
d.
4
 

 24. 
Choose the correct Lewis Dot Diagram for NaCl
a.
mc024-1.jpg
b.
mc024-2.jpg
c.
mc024-3.jpg
d.
mc024-4.jpg
 

 25. 
In which of the following is the number of neutrons correctly represented?
a.
mc025-1.jpgU has 146 neutrons.
b.
mc025-2.jpgAs has 108 neutrons.
c.
mc025-3.jpgMg has 24 neutrons.
d.
mc025-4.jpgF has 0 neutrons.
 

 26. 
Which of the following atoms in a covalent bond with Silicon forms the most polar molecule?
a.
N
b.
O
c.
S
d.
F
 

 27. 
Experimental evidence suggests that the bond angles between the Nitrogen and Hydrogens in methane, NHmc027-1.jpg, are ____.
a.
120mc027-2.jpg
b.
90mc027-3.jpg
c.
109.5mc027-4.jpg
d.
180mc027-5.jpg
 

 28. 
Which of the following would complete an ionic bond with Calcium (Ca)?
a.
Fe
c.
O
b.
Ga
d.
K
 

 29. 
When Group 2A elements form ions, they
a.
lose two protons.
b.
gain two protons.
c.
gain two electrons.
d.
lose two electrons.
 

 30. 
How many electrons does barium have to give up to achieve a noble-gas electron configuration?
a.
2
b.
4
c.
1
d.
3
 

 31. 
An example of an extensive property of matter is
a.
hardness.
b.
temperature.
c.
pressure.
d.
mass.
 

 32. 
Brass is an alloy made of copper and zinc.  To make brass copper is mixed with zinc when both metals are at the liquid state.  During the mixing process no chemical reaction takes place. After mixing, brass appears to be uniform throughout.  Brass must be a(n):
a.
pure substance
c.
homogenous mixture
b.
an element
d.
heterogenous mixture
 

 33. 
What is the correct formula for barium chlorate?
a.
Ba(ClOmc033-1.jpg)mc033-2.jpg
b.
BaClO
c.
Ba(ClOmc033-3.jpg)mc033-4.jpg
d.
BaClmc033-5.jpg
 

 34. 
What is the formula unit of aluminum oxide?
a.
AlO
b.
Almc034-1.jpgOmc034-2.jpg
c.
AlOmc034-3.jpg
d.
Almc034-4.jpgO
 

 35. 
When C forms a bond with F this bond is called a polar covalent bond because
a.
the electrons are equally shared.
b.
both bonding electrons are attracted closer tot he Fluorine atom.
c.
it forms an especially strong bond.
d.
the carbon attracts the electrons closer to it’s nucleus.
 

 36. 
How are chemical formulas of  ionic compounds generally written?
a.
anion on left, cation on right
b.
subscripts first, then ions
c.
cation on left, anion on right
d.
Roman numeral first, then anion, then cation
 

 37. 
Which of the following elements forms an ion with a 1– charge?
a.
hydrogen
b.
potassium
c.
sodium
d.
fluorine
 

 38. 
Why do atoms share electrons in covalent bonds?
a.
to increase their atomic numbers
b.
to attain a full valence energy level and become stable
c.
to become more polar
d.
to become ions and attract each other
 

 39. 
Which of the following is a correct Lewis Dot structure for potassium chloride?
a.
mc039-1.jpg
b.
mc039-2.jpg
c.
mc039-3.jpg
d.
mc039-4.jpg
 

 40. 
Which set of chemical name and chemical formula for the same compound is correct?
a.
potassium chloride, Kmc040-1.jpgClmc040-2.jpg
b.
aluminum fluorate, AlFmc040-3.jpg
c.
iron(II) oxide, Femc040-4.jpgOmc040-5.jpg
d.
tin(IV) bromide, SnBrmc040-6.jpg
 

 41. 
Which of the following diatomic molecules is joined by a double covalent bond?
a.
mc041-1.jpg
b.
mc041-2.jpg
c.
mc041-3.jpg
d.
mc041-4.jpg
 

 42. 
Which of the folloiwng shows a correct Lewis dot structure for the corresponding element?
a.
mc042-1.jpg
c.
mc042-3.jpg
b.
mc042-2.jpg
d.
mc042-4.jpg
 



 
         Start Over