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Samuels PS Forces Between Molecules
Test Description: Physical science forces between molecules.
Instructions: Answer all questions to get your test result.
1) Forces that bind molecules together to form larger structures are known as
A
intramolecular forces
B
strong nuclear force
C
chemical bonds
D
intermolecular forces
2) Attraction force between polar molecules
A
dipole-dipole force
B
London forces
C
hydrogen bond
D
ionic bond
3) The only intermolecular force that affect nonpolar molecules
A
London force
B
hydrogen bond
C
ionic bond
D
dipole-dipole force
4) The random chance of electrons temporarily being close together creating a brief polar charge
A
ionic bond
B
dipole-dipole force
C
hydrogen bond
D
London force
5) The strong force that exists after hydrogen bonds with a strongly electronegative atom
A
London force
B
hydrogen bond
C
dipole-dipole force
D
ionic bond
6) A substance that has weak intermolecular forces typically has a __________ boiling point that a substance with strong intermolecular forces.
A
lower
B
non-existent
C
the same
D
higher
7) The stronger the intermolecular forces between the molecules of a solid, the ___________ the melting point.
A
lower
B
non-existent
C
higher
D
the same
8) Water is a polar substance, whereas, oil is a nonpolar substance. Oil mixed with water will
A
dissolve with a higher concentration
B
not dissolve at all
C
completely dissolve
D
dissolve at a lower temperature
9) Water is a polar substance, and sugar is a polar substance. Sugar mixed in water will
A
completely dissolve
B
not dissolve at all
C
evaporate
D
dissolve at freezing
10) These intermolecular forces are important for maintaining the structure of DNA.
A
hydrogen bonds
B
dipole-dipole force
C
ionic bond
D
London force
*select an answer for all questions
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