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SKT3013 - CLOSED-PACKED STRUCTURE

Authored by Nadhirah Fazli

Chemistry

University

NGSS covered

Used 29+ times

 SKT3013 - CLOSED-PACKED STRUCTURE
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The first layer of closed-packing structure also known as

hexagonal coordination

sphere coordination

spaces coordination

hexagonal coordination of each sphere

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

These two pictures show examples of closed-packed structures. Is it true or false ?

True

False

Tags

NGSS.HS-PS1-3

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the most efficient arrangement of spheres in close packed structure

random arrangement

square coordination

  • hexagonal coordination

triangular coordination

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a close packed structure , how are the spheres placed in the second layer ?

in the same positions as the first layer

randomly

in the indentations left by the first layer

in a separate layer above the first layer

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the characteristic of the space between layers in a close packed structure ?

completely filled by spheres

Empty with no trapped space

trapped is not filled by the spheres

6.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

the third layer of closed-packed structure can be divided by two which is

ABA hexagonal close packing

ABA cubic close packing

ABC cubic close packing

CBA hexagonal close packing

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which type of structure has a sphere at the center of a cube with spheres at each corner ?

Primitive cubic structure ( scc )

Body-centered cube ( bcc )

Face-centered cubic cell

Hexagonal close-packed structure

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