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Chemistry Unit 5 Notes
Test Description: Dhd
Instructions: Answer all questions to get your test result.
1) Chemical Bond
A
A mutual electrical attraction between the nuclei and valence electrons of different atoms that bind them together
B
Sharing of electrons
2) Intra-Molecular forces
A
are forces between atoms
B
Sharing of electrons
3) Covalent Bonds
A
Transfer of electrons
B
Sharing of electrons
4) Ionic bonds
A
Transfer of electrons and forces between cations and anions
B
Sharing of electrons
5) Metallic bonds
A
Sharing of electrons
B
Forces between atoms of the same metal
6) Electronegativity
A
Values range .7 to 4
B
Differences used to determine bond type
C
Fluorine has the highest value
D
All of the above
7) Electronegativity
A
A measure of an atoms ability to attract electrons in a chemical bond
B
Electronegatives tend to increase across a period
C
Electronegatives tend to decrease down a group or remain the same
D
All of the above
8) Metal + Nonmetal and Metal + Metal
A
Ionic and metallic
B
Covalent
9) Metal + metalloid and nonmetal + nonmetal
A
Metallic
B
Covalent
10) Which is true
A
All of the above
B
1.7 to above is Ionic
C
0 to .3 is Nonpolar Covalent
D
.31 to 1.69 is Polar Covalent
11) Cations are?
A
Negative
B
Positive
12) Anions are?
A
Positive
B
Negative
*select an answer for all questions
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