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