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`Chemistry moc-10 ADV

Total questions: 77

Worksheet time: 2hrs 31mins

Name
Class
Date
1.
The atom with the largest atomic radius in Group 18 is - 
a)
Ar
b)
He
c)
Kr
d)
Rn
2.
The element with the largest electronegativity in the halogens is - 
a)
At
b)
F
c)
Cl
d)
Br
3.
Which of the following electron configurations represents the most chemically stable atom?
a)
[Ne] 3s1
b)
[Ne] 3s2 3p3
c)
[Ne] 3s2 3p6
d)
[Ar] 4s2 3d6
4.

Which of the following elements is most likely a poor conductor of electricity?

a)

Beryllium (Be)

b)

Gold (Au)

c)

Phosphorus (P)

d)

Copper (Cu)

5.

Which of the following elements has the largest first ionization energy?

a)

Aluminum

b)

Boron

c)

Sulfur

d)

Chlorine

e)

Silicon

6.

Which of the following sets of elements are in order from the highest atomic radius to the lowest:

a)

neon, chlorine, selenium, antimony

b)

potassium, barium, iron, carbon

c)

fluorine, oxygen, copper, barium

d)

barium, copper, oxygen, fluorine

e)

carbon, iron, potassium, barium

7.

How many valence electrons does this atom have?

a)

4

b)

2

c)

1

d)

3

8.

Which equation correctly describes the first ionization energy of X?

a)

X --> X- + e-

b)

X --> X+ + e-

c)

X --> X- + e+

d)

X + e- --> X-

e)

X + e- --> X+

9.

Place the following elements in order of increasing ionization energy: Na, O, Mg, Ne, K

a)

Ne, O, Mg, Na, K

b)

Mg, Na, O, K, Ne

c)

K, Mg, Na, O, Ne

d)

K, Na, Mg, O, Ne

10.

Successive ionization energies for an element in Period 4 were determined experimentally and found to be: IE1=600 kJ/mol, IE2=1800 kJ/mol, IE3=2700 kJ/mol, IE4=11,600 kJ/mol and IE5=15,000 kJ/mol. What element is this?

a)

germanium

b)

selenium

c)

gallium

d)

silicon

e)

phosphorous

11.

Which has the highest lattice energy

a)

LiCl

b)

NaCl

c)

RbCl

d)

CsCl

12.

The following properties are all characteristics of ionic compounds EXCEPT

a)

high melting and boiling points

b)

soft

c)

crystal lattice structure

d)

conduct electricity when dissolved in water

13.

Which three of the following are features of ionic compounds? (click 3 boxes)

a)

They have bonds between metals and non-metals.

b)

They have bonds between two non-metals.

c)

They form simple molecular structures.

d)

They form giant ionic lattices.

e)

They involve the transfer of electrons.

14.

Why do ionic compounds NOT conduct electricity when they are in their solid state?

a)

Their ions are free to move.

b)

Their ions are held in fixed positions.

c)

Their electrons are free to move

d)

Their electrons are held in a fixed state

15.

Magnesium oxide is insoluble in water. Can magnesium oxide conduct electricity?

Select yes or no and a reason.

a)

Yes

b)

No

c)

Magnesium oxide can be heated so that it melts and conducts electricity.

d)

Magnesium oxide doesn't dissolve, so it stays in its solid state and doesn't conduct electricity.

16.

By replacing the element symbol, this could be a diagram of which element?

a)

Li

b)

Al

c)

C

d)

Be

17.

Choose which of the following compounds contain IONIC Bonds (you may choose more than one answer)

a)

H2O

b)

SO2

c)

AlCl3

d)

H2

e)

MgI2

18.
What atom matches this electron configuration?
1s2 2s2 2p6 3s2
a)
Neon
b)
Magnesium
c)
Aluminum
d)
Potassium
19.

Which is the electron configuration for calcium?

a)

1s22s22p63s23p64s2

b)

1s22s22p4

c)

1s22s22p6

d)

1s22s22p63s23p6

20.

What atom matches this electron configuration?

[Ar] 4s2 3d104p1

a)

Mercury

b)

Gold

c)

Galium

d)

Manganese

21.
Which elements have the most similar chemical properties?
a)
K and Na
b)
K and Ca
c)
K and Cl
d)
K and S
22.
What statement is true about ALL of the elements in Group 18 OR Group 8A?
a)
They ALL have 6 valence electrons.
b)
They ALL are gases at room temperature.
c)
They ALL react easily with other elements.
d)
They ALL form +2 charges.
23.

Find the period and group of the given element

a)

Period=3, Group= 1

b)

Period = 2, Group= 1

c)

Period = 1 , Group= 1

d)

Period = 2, Group = 2

24.

An element that is highly reactive and has the electronic configuration: [Ne]3S1 belongs to -------

a)

Alkali metal

b)

Noble gases

c)

Rare earth metals

d)

Neon

25.

Which of the following pairs are alkali metals?

a)

Cesium and Francium

b)

Francium and Hydrogen

c)

Sodium and lithium

d)

Sodium and Rubidium

26.

Noble gases are inert because

a)

They are highly reactive

b)

They are unreactive

c)

They are noble

d)

They have 8 electrons in their outer most energy level

27.

Alkaline earth metals are always found as compounds in nature because

a)

They are metals

b)

They are essential nutrients

c)

They are highly reactive

d)

None of the above

28.

The atom with the largest electronegativity

a)

Ar

b)

F

c)

Cl

d)

O

29.

Which of the statements are true about the third energy level?

I: It can hold a maximum of 18 electrons

II: It has 4 sub orbitals: 3S, 3p, 3d, and 3f

III: It has a total of nine orbitals

a)

I and II only

b)

I and III only

c)

II and III only

d)

I,II, and III

30.

If n=4, what are the possible set of quantum numbers?

a)

4,1,-1,0

b)

4,2,0,-1/2

c)

4,2,3,-1/2

d)

4,1,2,1/2

31.

Determine the set of a quantum number of the valence electron given by this electronic configuration;


1S22s2 2p6 3s2

a)

3,0,0,1/2

b)

3,1,0,1/2

c)

2,1,1,-1/2

d)

2,1,0,1/2

32.

what is/are true about an element with this electronic configuration:

[Ar]4S23d5

I: It is a representative element

II: It is in group 7

III: It has 7 valence electrons

IV: It is in period 3

a)

I and II only

b)

I and III only

c)

II, III and IV

d)

I,II and IV

33.

Which of the statements below is/are true about iron, Fe?

I: it is a good conductor of heat and electricity

II: It is soluble in water

III: It melts at very high temperatures

IV: It is brittle

a)

I and III only

b)

I and II only

c)

II, III and IV

d)

I, III and IV

34.

Which of the statements below is/are true about Sodium bromide, NaBr?

I: it is a good conductor of electricity in its solid-state

II: It is soluble in water

III: It melts at very high temperatures

IV: It is brittle

a)

I and III only

b)

I and II only

c)

II, III and IV

d)

I, III and IV

35.

Which of the following is the correct Lewis structure for the compound PBr3?

a)

structure A

b)

structure B

c)

structure C

d)

structure D

36.
Which is the correct lewis dot structure for calcium chloride?
a)
A
b)
B
c)
C
37.

Which is/are true about Sulfur?

I; It is electron configuration is [Ne]3s23p4

II: It is a metal

III: It has 4 valence electrons

IV: it is larger than oxygen

a)

I, II and III

b)

I, III and IV

c)

I and IV only

d)

I,II,III, and IV

38.

According to Bohr model:

I: Electrons can exist between energy levels

II: Electrons orbit the nucleus on fixed trajectories

III: Electrons can jump to higher states if they gained energy

a)

I and II only

b)

I and III only

c)

II and III only

d)

I,II and III

39.

The lewis dot symbol of an element that has the following electronic configuration: Is22s22p4 is -----

4 lines
40.

Explain which possesses a higher ionization energy Mg or P?

4 lines
41.

Explain which compound has a higher lattice energy NaCl or NaBr?

4 lines
42.

Which of the compound is ionic, KCl or ethanol? Explain

4 lines
43.

Which is true about the quantum theory?

I: Electrons have wave-like nature

II: Electrons are located on orbitals

III: The lowest energy orbitals is S

a)

I only

b)

II only

c)

III only

d)

I,II and III

44.

Oxygen gains two electrons to become stable and becomes an oxide ion. Which Nobel gas will have the same electron configuration as oxide ion

a)

Ne

b)

He

c)

Ar

d)

Xe

45.

An atom has this electron configuration: 1S22s2 2p6 3s2. What will be the charge of its ion?

a)

+2

b)

+1

c)

-2

d)

-1

46.
what type of bond is the strongest
a)
single
b)
Double
c)
coordination
d)
triple
47.
How do covalent bonds form?
a)
Donating & receiving valence e- between atoms.
b)
Opposite slight charges attract each other between compounds.
c)
Scientists are still not sure how they form.
d)
Sharing valence e- between atoms.
48.
Which of the following is the correct Lewis dot structure for the molecule fluorine (F2)?
a)
A
b)
B
c)
C
d)
D
49.

What type of chemical bond is being shown in the F2 molecule?

a)

single covalent bond

b)

double covalent bond

c)

triple covalent bond

d)

quadruple covalent bond

50.
What is the proper name for the covalent compound N3F8?
a)
Nitrogen Flouride
b)
Nitrogen Fosfate
c)
Trinitrogen Octaflouride
d)
Nitrogen Pentaflouride
51.

Which is the correct molecular structure for carbon dioxide?

a)
b)
c)
d)
52.
What is the correct name for C4H6?
a)
Carbon Hexahydride
b)
Pentacarbon Pentahydride
c)
Hexacarbon Tetrahydride
d)
Tetracarbon Hexahydride
53.
What is the correct name for NO?
a)
Mononitrogen Monoxide
b)
Nitrogen Monoxide
c)
Mononitrogen Dioxide
d)
Nitrogen Oxide
54.
What is the formula for Tricarbon Octahydride?
a)
Ca3O
b)
C2H8
c)
C3H8
d)
Ca3H8
55.
Which formula correctly represents aluminum phosphate?
a)
AlPO4
b)
AlSO4
c)
AlP
d)
AlPO3
56.
What is the name of the following compound; FeCrO4?
a)
iron chromate
b)
iron dichromate
c)
iron (II) chromate
d)
Iron (II) dichromate
57.
NiSO4 is known as-
a)
nickel (II) sulfate
b)
nickel (II) sulfite
c)
nickel (II) sulfide
d)
nickel sodium tetraoxide
58.
What is the formula for Tin (IV) carbide?
a)
S2C
b)
S4C2
c)
TiC
d)
SnC
59.
The name of Cu₃N₂ is
a)
copper (III) nitride
b)
copper (II) nitride
c)
copper nitride
d)
tricopper dinitride
60.

Which of the following is the correct name of a binary acid, HI?

a)

Hydrogen iodic acid

b)

Hydroiodic acid

c)

Hydrogen iodine

d)

Hydrogen iodide

61.

Which of the following is the correct formula for the nitric acid?

a)

HNO

b)

HNO2

c)

HNO3

d)

HN3

62.

[ HSO3 ] represent the formula of :

a)

Nitrous acid

b)

Nitric acid

c)

Sulfurous acid

d)

Sulfuric acid

63.

What is the formula for Phosphorous acid?

a)

H3PO4

b)

H3PO3

c)

HPO2

64.

What is the formula for Sulfuric acid?

a)

H2SO4

b)

HSO

c)

H3SO3

65.
Name HF
a)
hydrofluoric acid
b)
Hypofluoric acid
c)
hydrogen fluorine acid
d)
fluoric acid
66.
Select the formula for the following acid: perchloric acid
a)
HClO4
b)
HClO3
c)
HClO2
d)
HCl
67.
How many sigma bonds does this have? 
a)
1
b)
2
c)
3
d)
4
68.
How many sigma and pi bonds does this have? 
a)
3 sigma and 2 pi
b)
5 sigma and 5 pi
c)
5 sigma and 0 pi
d)
0 sigma and 5 pi
69.

How many sigma bonds are in the following molecule?

a)

0

b)

1

c)

2

d)

5

e)

6

70.

Choose the correct answer

a)

A

b)

B

c)

C

d)

D

71.

Which pair of compounds are covalent?

a)

H2O and NH3

b)

H2O and NaCl

c)

NaCl and NH3

d)

NH4Cl and NH3

72.
a)

achieved octet

b)

incomplete octet

c)

expended octet

d)

odd number electrons

73.
a)

achieved octet

b)

incomplete octet

c)

expended octet

d)

odd number electrons

74.
a)

achieved octet

b)

incomplete octet

c)

expended octet

d)

odd number electrons

75.
For carbonate ions, how many resonance structures can be drawn ?
a)
2
b)
3
c)
4
d)
5
76.

Which of the following compounds has only single bonds?

a)

I only

b)

II only

c)

III only

d)

I and III

e)

III and IV

77.
What types of C-C bonds are found in benzene molecules?
a)
C-C (single bonds)
b)
C-C and C=C (single and double bonds)
c)
3 C-C (single bond) and 3 C=C (double bond)
d)
None of the above

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