General Chemistry 1 Practice Questions (Set 12)

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1) Identify the thinnest known material.
A) buckyball
B) diamond
C) graphene
D) fullerene
E) charcoal

2) Identify two-dimensional graphite.
A) buckyball
B) diamond
C) graphene
D) fullerene
E) charcoal

3) Identify the technique that determines the arrangement of atoms and measures the distance between them.
A) x-ray diffraction
B) ultraviolet
C) nuclear magnetic resonance
D) infrared
E) atomic absorption

4) When two waves interact with their crests and troughs in alignment is called
A) complimentary interference.
B) destructive interference.
C) opposing interference.
D) constructive interference.
E) alignment interference.

5) When two waves interact with the crests of one aligning with the troughs of the other is called
A) complimentary interference.
B) destructive interference.
C) opposing interference.
D) constructive interference.
E) alignment interference.

6) When an X-ray beam of l = 131.5 pm is incident on the surface of a copper crystal, it produces a maximum diffraction at an angle of q = 25.25 degrees. Assuming n = 1, calculate the separation between layers of copper atoms in the crystal.
A) 5.208 pm
B) 263.0 pm
C) 2.604 pm
D) 308.3 pm
E) 154.1 pm

7) Identify the type of solid for AgCl.
A) metallic atomic solid
B) ionic solid
C) nonbonding atomic solid
D) molecular solid
E) networking atomic solid

8) Identify the type of solid for ice.
A) metallic atomic solid
B) ionic solid
C) nonbonding atomic solid
D) molecular solid
E) networking atomic solid

9) Identify the type of solid for gold.
A) metallic atomic solid
B) ionic solid
C) nonbonding atomic solid
D) molecular solid
E) networking atomic solid

10) Identify the type of solid for diamond.
A) metallic atomic solid
B) ionic solid
C) nonbonding atomic solid
D) molecular solid
E) networking atomic solid

11) Identify the type of interaction between atoms in a nonbonding atomic solid.
A) polar bonding
B) ionic bonding
C) covalent bonding
D) hydrogen bonding
E) weak dispersion forces

12) An allotrope of carbon that consists of flat sheets of carbon atoms covalently bonded together as interconnected hexagonal rings is called
A) an octahedral.
B) a nanotube.
C) a diamond.
D) a fullerene.
E) graphite.

13) An allotrope of carbon that exists as face centered cubic structure is called
A) an octahedral.
B) a nanotube.
C) a diamond.
D) a fullerene.
E) graphite.

14) An allotrope of carbon that exists as interconnected rings that assume a cylindrical shape is called
A) an octahedral.
B) a nanotube.
C) a diamond.
D) a fullerene.
E) graphite.

15) An allotrope of carbon that exists in the shape of a ball containing 36 to 100 carbons is called
A) an octahedral.
B) a nanotube.
C) a diamond.
D) a fullerene.
E) graphite.

16) Geologists estimate that ________ percent of the Earth’s crust is composed of silicates.
A) 80
B) 75
C) 85
D) 90
E) 70

17) Identify the shape for SiO4.
A) tetrahedral
B) trigonal bipyramidal
C) trigonal planar
D) octahedral
E) trigonal pyramidal

18) Identify the formula for silica.
A) SiO4
B) SiO3
C) Si2O3
D) SiO2
E) Si3O6

19) Identify a use for polymers
A) beakers
B) bridges
C) furniture
D) wooden decks
E) artificial fibers

20) Which of the following represent the addition polymer formed from the compound below?

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