24.2.2 Silicon Flashcards
1
Q
Which of the following was used to develop the first transistor?
A
Germanium
2
Q
Which percentage of the mass of the earth’s crust is composed of silicon?
A
27.7%
3
Q
What is the product resulting from the refining process of Si(s)?
A
SiCl4(l)
4
Q
Which ion can be found between the silicate sheets of talc?
A
Mg2+
5
Q
Which of the following statements is false?
A
Talc is composed of one-dimensional silicone chains.
6
Q
Which of the following is commonly used to manufacture computer chips?
A
Silicon
7
Q
Which percentage of the mass of the earth’s crust is composed of oxygen?
A
46.4%
8
Q
Which characteristic do graphite and talc have in common?
A
Slipperiness
9
Q
In which dimension do infinite chains of disilicate anions form?
A
1
10
Q
In the purification of silicon, what reductant is commonly used?
A
H2
