Warren County Technical School
1500 Route 57 ♦ Washington, New Jersey 07882 ♦ 908-689-0122

 
 
CHEMISTRY
BIOLOGY
FORENSICS
ONLINE RESOURCES
Classroom Calendar
Course Info
PREVIOUS YEARS 2011-2016
SCIENCE GAMES

CHEMISTRY

chemlite final

Javascript not enabled

 

Name:  

 
 

chemlite final

 

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

 

 1. 

Which of the following would contain both covalent and ionic bonding?

a.
NaCl
b. NH 3
c.
H 2 SO 4
d. CO 2
e.
none of the otherchoices

 

 2. 

The nucleus of an atom contains ________.

a.
electrons
b. protons and neutrons
c.
protons, neutronsand electrons
d.
protons and electrons
e. protons

 

 3. 

The correct name forMg(ClO 3 ) 2 is ________.

a.
magnesium chlorate
b. manganese chlorate
c.
magnesiumchloroxide
d.
magnesium perchlorate
e. manganese perchlorate

 

 4. 

The atomic number indicates ________.

a.
the number of neutrons in a nucleus
b. the total number of neutrons and protons in anucleus
c.
the number of isotopes of an element
d. the number of protons in anatom
e.
none of the other answers

 

 5. 

How many total electrons doesthe Al 3+ ion possess?

a.
16
b. 10
c.
6
d. 3
e.
13

 

 6. 

Aluminum reacts with a certain nonmetallic element to form a compound with thegeneral formula AlX.  Element X must be ________.

a.
oxygen
b. phosphorous
c.
selenium
d. chlorine
e.
aluminum ca notreact with anything that is a diatomic gas

 

 7. 

Element M reacts with fluorineto form an ionic compound with the formula MF 3 .  The M-ion has 18 electrons. Element M is ________.

a.
P
b. Sc
c.
Ar
d. Ca
e.
Cr

 

 8. 

A calcium atom has 20 electrons. Electrons in the ________ subshell experiencethe lowest effective nuclear charge.

a.
2p
b. 1s
c.
4f
d. 3d

 

 9. 

Which one of the following atoms has the largest radius?

a.
they all have the same radius becuse they are in the same period
b.
S
c. F
d.
Cl
e. O

 

 10. 

Which pair of elements would you expect to exhibit the greatest similarity intheir physical and chemical properties?

a.
C, N 
b. K, Na 
c.
H, He
d.
Si, P
e. O, Fe

 

 11. 

The atomic radius of maingroup elements generally increases down a group because________.

a.
effective nuclear charge increases down a group
b.
effective nuclearcharge zigzags down a group
c. effective nuclear charge increases down agroup
d.
the principal quantum number of the valence orbitals increases
e.
both effectivenuclear charge increases down a group and the
principal quantum number of the valence orbitalsincreases

 

 12. 

Of the following, the heaviest charged subatomic particle is the ________.

a.
neutron
b. proton
c.
electron
d. nucleus
e.
alphaparticle

 

 13. 

According to VSEPR theory, if there are five electron domains in the valenceshell of an atom, they will be arranged in a(n) ________ geometry.

a.
octahedral
b. trigonal bipyramidal
c.
trigonalplanar     
d. linear 
e.
tetrahedral     

 

 14. 

The name of the ionic compound(NH 4 ) 3 PO 4 is ________.

a.
tetrammonium phosphate     
b.
nitrogen hydrogenphosphate
c.
ammonia phosphide
d. ammonium phosphate
e.
triammoniumphosphate

 

 15. 

Using the VSEPR model, the molecular geometry of the central atom inSO 2 is ________.

a.
linear
b. trigonal planar
c.
tetrahedral
d. bent
e.
trigonalpyramidal

 

 16. 

Of the atoms below, ________ is the most electronegative.

a.
K
b. Cs
c.
Mg
d. Sn
e.
Ba

 

 17. 

In the Lewis symbol for a sulfur atom, there are ________ paired and__________ unpaired electrons.

a.
2, 2
b. 4, 2
c.
2,4
d.
0, 6
e. 5, 1

 

 18. 

Of the atoms below, ________ has the greatest first ionization energy.

a.
Cl
b. At
c.
Br
d. F
e.
N

 

 19. 

A ________ covalent bond between the same two atoms is the longest.

a.
single
b. double
c.
triple
d. they are all the samelength
e.
strong

 

 20. 

Of the following elements, which has the largest  first ionizationenergy?

a.
At
b. Br
c.
Cs
d. Na
e.
Mg

 

 21. 

Between which two elements is the difference in electronegativity the greatest?

a.
S and I
b. Mg and S
c.
Fr and S 
d.
K and Cs  

 

 22. 

Using Lewis structure drawings, determine which molecule below will have theshortest bond length between atoms:

a.
O 2
b. Cl 2
c.
P 2
d. Br 2
e.
all of these havethe same bond length

 

 23. 

Which of the following has the LARGEST radius?

a.
Sr
b. K
c.
Li
d. Ca
e.
Na

 

 24. 

Which pair of elements is most apt to form a molecular compound with each other?

a.
aluminum, oxygen
b. sulfur, fluorine
c.
magnesium,iodine 
d.
potassium, lithium 
e. barium, bromine

 

 25. 

Of the atoms below, ________ is the most electronegative.

a.
F
b. Cl
c.
Br
d. N
e.
At

 

 26. 

As the number of covalent bonds between two atoms increases, the distancebetween the atoms ________ and the strength of the bond between them ________.

a.
decreases, increases
b. decreases, decreases
c.
increases, increases
d.
increases, decreases
e. is unpredictable

 

 27. 

There are ______electrons, _______protons,
and ______neutrons in anatom of 20 40 Ca +2

a.
22, 20, 20
b. 20, 20, 20
c.
18, 20,18
d.
18, 20, 20
e. 42, 40, 20

 

 28. 

In Ni (CN) 2, the charge on the cyanide ion is ------ and the numberof domains on the C atom in cyanide ion is ---------.

a.
-1, 4
b. +2, 3
c.
-1,2
d.
+2, 4
e. none of the otheranswers

 

 29. 

There are ______electrons, _______protons,
and ______neutrons in anatom of  Cs-133

a.
132, 132, 54
b. 54, 54, 132
c.
78, 78,54
d.
55, 55, 78
e. none of the otheranswers

 

 30. 

There are ________ paired and ________ unpaired electrons in the Lewissymbol for a Nitrogen atom.

a.
4,2
b. 2, 4
c.
4,3
d. 2, 3
e.
5,2

 

 31. 

Elements ending in the electron configuration ns 1 are highly reactivemetals. What family do these elements belong to?

a.
Alkali Metals
b. Transition Metals
c.
Halides
d. Alkaline Earth Metals
e.
Semi-metals

 

 32. 

Which of the following correctly represents the Lewis structure forPH 3

a.
mc032-1.jpg
b. mc032-2.jpg
c.
mc032-3.jpg
d.
mc032-4.jpg
e. none of the answers arecorrect

 

 33. 

Which of the following correctly lists the five atoms in order of decreasingsize (largest to smallest)?

a.
Cs > Rb > I > Sn > Cl
b. none of the others are in the correctorder
c.
Cs > Rb > Sn > I > Cl
d. Cs > Sn > I > Rb >Cl
e.
Cs > I > Sn > Rb > Cl

 

 34. 

The element X has three naturally occurring isotopes. The masses (amu) and %abundances of the isotopes are given in the table to the right. The average atomic mass of theelement is ________ amu.

mc034-1.jpg

a.
219.7
b. 221.0
c.
220.42
d. 218.5
e.
220.4

 

 35. 

Chromium and chlorine form an ionic compound whose formula is mc035-1.jpg . The name of this compound is ________.

a.
monochromium trichloride
b. chromium(III) trichloride 
c.
chromic trichloride
d. chromium(III) chloride
e.
chromiumchlorine 

 

 36. 

The correct name for SrO is ________.

a.
strontium oxide
b. strontium peroxide
c.
strontiumhydroxide  
d. strontium monoxide 
e.
strontium dioxide

 

 37. 

Using the VSEPR model, the molecular geometry of the central atom inCS 2   is ________.

a.
linear
b. trigonal planar
c.
tetrahedral
d. bent
e.
trigonalpyramidal

 

 38. 

Which of the following atoms is without lone electrons to be shared?

a.
Al
b. Be
c.
He
d. H
e.
all of these havelone electrons

 

 39. 

The second number of the VESPR number indicates

a.
the lone pairs on the central atom
b. the number of bonds that the central atomhas
c.
the number of lone pairs in the entire molecule
d.
the number of doubleand triple bonds only
e. none of the otheranswers

 

 40. 

Metals tend to ________electrons and nonmetals tend to ________ electrons.

a.
gain, gain
b. gain, lose
c.
lose,lose
d.
lose, gain
e. neither, they keep theirelectrons

 

 41. 

Anions tend to be ________and cations tend to be ________.

a.
metals, nonmetals
b. nonmetals, metals
c.
nonmetals,nonmetals
d.
metals, metals
e. metalloids,metalloids

 

 42. 

In the symbol, 6 x C, x is ________.

a.
the number of neutrons
b. the atomic number
c.
the massnumber
d.
the isotope number
e. radiationparameter

 

 43. 

There are ________ electrons, ________ protons, and ________ neutrons inan atom of mc043-1.jpg +1

a.
54, 54, 132
b. 54, 53, 132
c.
54, 55,132
d.
78, 78, 132
e. 132, 132, 54

 

 44. 

The ability of an atom in a molecule to attract electrons is best quantified bythe ________.

a.
electronegativity
b. paramagnetism
c.
atomicradius
d.
first ionization potential
e. none of theseanswers

 

 45. 

Elements Y and X are compared. Element Y has larger radius than Element X. Basedon this you could say:

a.
A and/or B
b. A B and C
c.
Element Y and X areprobably in the same group
d. Element Y is further to the left side of theperiodic
table
e. Element X is closer to the top of the periodictable

 

 46. 

ClF 3 has a T shape geometry. There are ----- non bonding domains inthis molecule.

a.
1
b. 2
c.
3
d. 4
e.
5

 

 47. 

The first ionization energies of the elements ________ as you go from left toright across a period of the periodic table, and ________ as you go from the bottom to the top of agroup in the table.

a.
increase, decrease
b. decrease, increase
c.
stay the same,increase
d.
are completely random
e. none of the otherchoices

 

 48. 

Atomic radius generally increases as we move ________.

a.
up a group and from right to left across a period
b.
up a group and fromleft to right across a period
c. down a group and from right to left across aperiod
d.
down a group; the period position has no effect
e.
down a group andfrom left to right across a period

 

 49. 

How many total carbonate ionswould be present in the formula for aluminum carbonate?

a.
1
b. 2
c.
3
d. 4
e.
5

 

 50. 

In general, as you go across a period in the periodic table from
left toright:
(1) the atomic radius ________;
(2) the electronegativity ________; and
(3) thefirst ionization energy ________.

a.
decreases, decreases, increases
b. increases, increases,decreases
c.
decreases, increases, decreases
d. increases, increases,increases
e.
decreases, increases, increases

 

 51. 

     ________ typically form ions with a 2+ charge.

a.
Alkaline earth metals
b. Halogens
c.
Chalcogens
d. Alkali metals
e.
Transitionmetals

 

 52. 

Isotopes are atoms that have the same number of _____ but differing number of_______.

a.
protons, electrons
b. protons, neutrons
c.
neutrons, protons
d.
electrons, protons
e. neutrons, electrons

 

 53. 

Which pair of elements is most apt to form a molecular compound with each other?

a.
Mg, I
b. Al, O
c.
S,F
d.
K, Li
e. none will form a molecularcompound

 

 54. 

The name of mc054-1.jpg is ________.

a.
potassium chloride
b. phosphorous(III) chloride
c.
phosphorus trichloride
d. trichloro potassium
e.
monophosphoroustrichloride

 

 55. 

The correct formula ofiron(III) bromide is ________.

a.
FeBr 2
b. FeBr 3   
c.
FeBr  
d. Fe 3 Br 3
e.
Fe 3 Br

 

 56. 

Which one of the followingcompounds is chromium(III) oxide?

a.
Cr 2 O 3    
b.
CrO 3    
c. Cr 3 O 2   
d.
Cr 3 O  
e. Cr 2 O 4

 

 57. 

Which species below is thenitride ion?

a.
Na +
b. NO 3 -
c.
NO 2 -
d. NH 4 +
e.
N 3-

 

 58. 

Of the atoms below, ________ is the least electronegative.

a.
At
b. Cl
c.
Br
d. F
e.
N

 

 59. 

According to VSEPR theory, if there are three electron domains in the valenceshell of an atom, they will be arranged in a(n) ________ geometry.

a.
octahedral
b. trigonal bipyramidal
c.
trigonalplanar     
d. linear 
e.
tetrahedral     

 

 60. 

What is the correct formula forammonium sulfide?

a.
N 2 S 3
b. (NH 4 ) 2 SO 4  
c.
(NH 4 ) 2 S   
d.
NH 4 SO 3
e. NH 3

 

 61. 

Flourine is a ________ and calcium is a ________.

a.
metal, nonmetal
b. metal, metalloid 
c.
metal,metal
d.
metalloid, nonmetal 
e. nonmetal, metal

 

 62. 

     Which pair of elements is most likely to form an ionic compound with each other?

a.
nitrogen, hydrogen
b. sulfur, carbon
c.
calcium, sodium
d.
oxygen, fluorine
e. barium,chlorine

 

 63. 

Of the following elements, which one will NOT be found as a diatomic molecule inits elemental state?

a.
Hydrogen
b. Helium
c.
Nitrogen
d. Oxygen
e.
Chlorine

 

 64. 

The correct name forMg(ClO 3 ) 2 is ________.

a.
magnesium chlorate
b. manganese chlorate
c.
magnesium chloroxide
d.
magnesium perchlorate
e. manganeseperchlorate

 

 65. 

Cr and Cl form an ioniccompound whose formula is CrCl 3 . This compound is _____.

a.
chromium chlorine      
b.
chromium(III)chloride
c.
monochromium trichloride
d. chromium(III) trichloride
e.
chromic trichloride

 

 66. 

Which of the following correctly lists the five atoms in order of increasingsize (smallest to largest)?

a.
F < Ge < Br < K < Rb
b. F < K < Br < Ge
c.
None of the choices are correct
d. F < Br < Ge < Rb
e.
F < K < Ge < Br < Rb

 

 67. 

Which of the following has the smalles radius?

a.
K
b. Br
c.
Cl
d. P
e.
Na

 

 68. 

Predict the empirical formula of the ionic compound that forms from aluminum andoxygen.

a.
mc068-1.jpg
b. mc068-2.jpg   
c.
mc068-3.jpg
d.
AlO
e. mc068-4.jpg

 

 69. 

Of the following, the smallest and lightest subatomic particle is the__________.

a.
neutron
b. proton
c.
electron
d. nucleus
e.
alphaparticle

 

 70. 

How many single covalent bonds must a silicon atom form to have a complete octetin its valence shell

a.
1
b. 2
c.
3
d. 4
e.
single bonds willnot allow Si to have a complete octet

 

 71. 

Predict the formula of theionic compound that forms from Calcium and Fluorine.

a.
C 2 F
b. Ca 2 F 3
c.
CaF 2
d. Ca 2 F 2
e.
Ca 3 F 2

 

 72. 

Of the bonds C – N, C = N, C = N the C – N  bond is ________.

a.
weakest/shortest
b. weakest/longest
c.
strongest/shortest
d.
strongest/longest
e. it is an intermediate bond and length andstrength are irrelevant

 

 73. 

In which of the following atoms is the 3s orbital closest to the nucleus?

a.
I
b. Br
c.
At
d. They are the same distance in all of theseatoms.
e.
Cl

 

 74. 

Of the choices below, which oneis not an ionic compound?

a.
HBr
b. Na(HCO3)
c.
NaCl
d. LiCl
e.
they are allionic

 

 75. 

Of the atoms below, ________ has the least first ionization energy.

a.
Cl
b. At
c.
F
d. Br
e.
N

 

 76. 

Electronegativity ________ from left to right within a period and ________from top to bottom within a group.

a.
decreases, increases
b. increases, decreases
c.
increases,increases
d.
none of the other answers
e. stays the same,increases

 

 77. 

The formula of ammonium carbonate is ________.

a.
mc077-1.jpg    
b.
mc077-2.jpg   
c. mc077-3.jpg  
d.
mc077-4.jpg  
e.
mc077-5.jpg

 

 78. 

Using the VSEPR model, the molecular geometry of the central atom inCF 4 is ________.

a.
linear
b. trigonal planar
c.
tetrahedral
d. bent
e.
trigonalpyramidal

 

 79. 

Between which two elements is the difference inmetallic character the greatest?

a.
O and I
b. Rb and O
c.
Li and Rb
d.
Rb and I
e. Li and O

 

 80. 

A diatomic molecule with a triple covalent bond is:

a.
H 2 O
b. H 2
c.
Cl 2
d. N 2
e.
none of the otherchoices

 


 

 
Check Your Work     Start Over