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G8 Final Exam Review - Part 2

Total questions: 50

Worksheet time: 43mins

Name
Class
Date
1.

What is the formula of the compound formed between lithium and nitrogen?

a)

LiN2LiN_2  

b)

LiN3LiN_3  

c)

Li3NLi_3N  

d)

Li3N2Li_3N_2  

2.

Which of the following contains both ionic and covalent bonding?

a)

NaCl

b)

NH4ClNH_4Cl  

c)

CCl4CCl_4  

d)

PCl3PCl_3  

3.

An ion X has 8 protons, 8 neutrons and 10 electrons.

An ion Y has 11 protons, 9 neutrons and 10 electrons.

What is the formula of the ionic compound formed by ion X and Y?

a)

XY

b)

X2YX_2Y  

c)

XY2XY_2  

d)

X2Y2X_2Y_2  

4.

What is the IUPAC name of NiCO3?

a)

nickel(II) carbonate

b)

nickel carbonate

c)

nickel(I) carbonate

d)

nitrogen(I) carbonate

5.

How does a chlorine atom form the most stable ion?

a)

The atom gains a proton to form positive ion.

b)

The atom loses a proton to form negative ion.

c)

The atom loses an electron to form a positive ion.

d)

The atom gains an electron to form a negative ion.

6.

What is the correct formula for Sodium Chloride?

a)

SCl

b)

NaCl

c)

SC

d)

NaCl2

7.

Why do elements form chemical bonds?

a)

Because they're friendly

b)

To create a new element

c)

To become stable

d)

Because they all need to gain more electrons

8.

Atoms are most stable when their outer shell is complete.

a)

True

b)

False

9.

Ionic bonds typically form between

a)

A metal and a nonmetal

b)

Two nonmetals

c)

Two metals

d)

A metalloid and a metal

10.

How many valence electrons does Po (Polonium) have? (Use your PTable)

a)

2

b)

4

c)

6

d)

8

11.

How many valence electrons does Mg have? (use the PTable)

a)

1

b)

2

c)

3

d)

4

e)

5

12.

Ionic bonds are formed when electrons get

a)

Shared between two atoms

b)

Removed from both atoms

c)

Transferred from one atom to another

d)

Added to both atoms

13.

How many VALENCE ELECTRONS does Chlorine have?

a)

2

b)

7

c)

8

d)

10

e)

17

14.

How many CORE ELECTRONS does Chlorine have?

a)

2

b)

4

c)

8

d)

10

e)

17

15.
Is Hydrogen considered a metal or a non-metal?
a)
Metal
b)
Non-metal
16.
What two types of atoms make a covalent bond?
a)
2 Nonmetals
b)
1 Nonmetal and 1 Metal
c)
2 Metals
d)
2 Noble Gases
17.
How are covalent bonds explained?
a)
When one atom takes the other atom's electron
b)
When the atom shares an electron with an another atom
c)
When the two nucleus merge
d)
When the neutrons leave the nucleus
18.
In chemical compounds, covalent bonds form when
a)
the electronegativity difference between two atoms is very large.
b)
electrons are completely transferred between two metals.
c)
pairs of electrons are shared between two nonmetal atoms.
d)
two nonmetal atoms are attracted to each other by opposite charges.
19.
What region of the periodic table contains atoms that form covalent bonds?
a)
the left side
b)
the middle
c)
the right side
d)
top left
20.
Is carbon considered a metal or a non-metal?
a)
metal
b)
nonmetal
c)
other
21.
How are ionic bonds formed?
a)
When atoms share an electron
b)
When opposite charged atoms attract
c)
When one atom takes a proton
d)
When one atom takes a neutron
22.
Are the atoms more stable when they are bonded together or when they are apart? 
a)
Bonded Together
b)
Apart
23.
How many valence electrons does nitrogen have?
a)
3
b)
2
c)
5
d)
1
24.
What is it called if there are three-pairs of electrons being shared?
a)
Triple bond
b)
Bond length
c)
Tribond
d)
Chocolate Mousse
25.
How many electrons should Carbon have around its Lewis dot structure?
a)
1
b)
3
c)
4
d)
5
26.
What is a diatomic element?
a)
a metal bonded with a nonmetal
b)
2 or more nonmetals bonded together
c)
2 or more metals bonded together
d)
2 atoms of the same element bonded together
27.
How many electrons are shared in a double bond?
a)
2
b)
4
c)
6
d)
8
28.

What bond is formed between a metal and a nonmetal?

a)

Covalent bond

b)

Ionic bond

c)

Hydrogen bond

d)

Metallic bond

29.
When two nonmetals do not share electrons evenly, the resulting covalent bond will be
a)
nonpolar
b)
polar
c)
ionic
d)
metallic
30.
What is the name of N2O3
a)
Nitrogen trioxide
b)
Dinitrogen oxide
c)
Dinitrogen trioxide
d)
Nitrogen oxide
31.
What is the name of C3Cl8 ?
a)
Carbon octachloride
b)
Tricarbon octachloride
c)
Carbon trichloride
d)
Octacarbon trichloride
32.
What is the name of Br6F10 ?
a)
Bromium fluoride
b)
Hexabromine fluoride
c)
Bromium decafluoride
d)
none of the above
33.
What is the OFFICIAL name for H2O
a)
Hydrogen Oxide
b)
Oxygen Dinitride
c)
Agua
d)
Dihydrogen Monoxide
34.
BrO3
a)
bromine oxide
b)
monobromine trioxide
c)
bromine trioxide
d)
bromine (III) oxide
35.
Name the following ionic compound: MgSO4*7H2O
a)
magnesium sulfate * hexahydarte
b)
magnesium sulfate hexahydarte
c)
magnesium sulfate heptahydrate
d)
magnesium sulfate* heptahydrate
36.
Na2CO3 · 10H2O is known as sodium sulfate ______
a)
Hydroxide
b)
Hydrate
c)
Decahydrate
d)
None of the above
37.
Name the following hydrate:  NaCl * 5H2O
a)
sodium chloride 
b)
sodium monochloride pentahydrate
c)
sodium chloride pentahydrate
d)
pentahydrate
38.
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.
39.
What two types of atoms make a covalent bond?
a)
2 Nonmetals
b)
1 Nonmetal and 1 Metal
c)
2 Metals
d)
2 Noble Gases
40.
What is the correct name for C4H6?
a)
Carbon Hexahydride
b)
Pentacarbon Pentahydride
c)
Hexacarbon Tetrahydride
d)
Tetracarbon Hexahydride
41.
What is the correct name for NO?
a)
Mononitrogen Monoxide
b)
Nitrogen Monoxide
c)
Mononitrogen Dioxide
d)
Nitrogen Oxide
42.

All of the following are covalent bonds EXCEPT

a)

B2Si

b)

NF5

c)

KI

d)

CO2

43.

The correct chemical formula for selenium tetrafluoride is

a)

SiF3

b)

SeF3

c)

SiF4

d)

SeF4

44.

Which is the correct chemical name for hexaboron tetrafluoride?

a)

B7F3

b)

B6F4

c)

B7F4

d)

Bo6F4

45.

Animals breathe in oxygen (O2). To achieve stability, an oxygen atom forms a covalent bond with another oxygen atom by

a)

gaining an electron

b)

sharing its one electron

c)

gaining two electrons

d)

sharing its two electrons

46.

What is the chemical formula for phosphorus trichloride?

a)

PCl3

b)

Cl3P

c)

KCl4

d)

PCl4

47.

Which is the chemical formula for dichlorine pentoxide?

a)

Cl2O4

b)

Cl2O5

c)

ClO5

d)

ClO3

48.

Which is the correct chemical name for the compound BF3?

a)

barium trifluoride

b)

monoboron trifluoride

c)

boron trifluoride

d)

monobarium trifluoride

49.

What is the chemical name for N2H4?

a)

tetranitrogen hydrogen

b)

dinitrogen tetrahydride

c)

nitrogen pentahydride

d)

dinitride tetrahydride

50.
What is the chemical formula for Tetrasulfur pentoxide?
a)
SO
b)
S4O
c)
S4O5
d)
S5O4

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