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Chemistry Chapter One
Test Description: To help study the vocabulary for Chapter One
Instructions: Answer all questions to get your test result.
1) What are the parts of an atom?
A
netural and ion
B
protons, neutrons, and electrons
C
posiative charges and negative charges
D
energy levels and electrons
2) What is an ion?
A
An atom that is stable
B
An atom that has beome electrically charged
C
An atom that has the same number of protons and electrons
D
An atom that has only 4 energy levels
3) What is a neutral atom?
A
An atom that has become electrically charged
B
An atom that is stable
C
An atom that has only 4 energy levels
D
An atom that has the same number of protons and electrons
4) On the Periodic Table, what do you use to find the number of protons of an element?
A
The period number
B
Atomic Number
C
Atomic Mass Number
D
The group number
5) What are valence electrons?
A
The first energy level electrons in an atom
B
The electrons that are shared in covalent bonding
C
The number of electrons in all the energy levels combine in an atom
D
The last energy level electrons in an atom
6) Where does the chemical bonding take place in an atom ?
A
With the protons and electrons of the atom
B
With the valence electrons
C
In the nucleus
D
In the inner most energy level
7) What is an ionic bond?
A
The sharing of electrons between 2 atoms
B
The attraction between 2 oppositely charged ions
C
The combination of 2 neutral atoms
D
The combination of metal atoms
8) What type of bonding is NaBr?
A
Ionic
B
Metallic
C
Covalent
D
None of the above
9) What does it mean when an atom is stable?
A
When the atom has the same number of protons and electrons
B
When the energy levels of an atom are complete
C
When the atom has the same number of protons and neutrons
D
When the atom bonds with another atom of the same element
10) How do you find the number of neutrons in an atom?
A
Use the Atomic Number of the atom
B
Calculate the number of neutrons by adding the number of protons and electrons
C
Use the Atomic Weight of the atom
D
Calculate the number of neutrons by the Atomic Number minus the Atomic Weight of the atom
11) How many atoms for each of the elements in the formula 2(C2Cl3)
A
There are 7 Carbons and Chlorines
B
Ther are 4 Carbons and 6 Chlorines
C
There are 4 Carbons and 5 Chlorines
D
There are 2 Carbons and 3 Chlorines
12) Which is NOT a property of metallic bonding?
A
conducts electricity
B
conducts electricity when dissovled in water
C
malleable
D
ductile
13) Which BEST describe metallic bonding?
A
electrons move up and down the atom's energy levels
B
electrons are gained or lost during the bonding
C
ions are held together by the electron cloud that surrounds them
D
ions are shared during the bonding
14) What is diatomic elements?
A
elements that have the same atomic number
B
elements that have the same valence electron number
C
atoms of the same element bond covalently
D
atoms of the same atomic mass that bond covalently
*select an answer for all questions
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