What is the appearance of silicon in its pure or elemental form? Silicon in its pure or elemental form consists of a grayish or bluish-black solid...
What is the appearance of silicon in its pure or elemental form?
Silicon in its pure or elemental form consists of a grayish or bluish-black solid, which, although not a metal, has shiny faces as if it were.
Silicon in its pure or elemental form is a hard but brittle solid, which also exhibits a scaly surface if it is formed by polycrystals.
Silicon in its pure or elemental form is a yellowish-brown amorphous powder.
a) Only I is correct.
b) Only II is correct.
c) Only III is correct.
d) I and II are correct.
e) I and III are correct.
Silicon in its pure or elemental form consists of a grayish or bluish-black solid, which, although not a metal, has shiny faces as if it were.
Silicon in its pure or elemental form is a hard but brittle solid, which also exhibits a scaly surface if it is formed by polycrystals.
Silicon in its pure or elemental form is a yellowish-brown amorphous powder.
a) Only I is correct.
b) Only II is correct.
c) Only III is correct.
d) I and II are correct.
e) I and III are correct.
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💡 1 Resposta
Ed 
A aparência do silício em sua forma pura ou elemental é um sólido acinzentado ou azul-acinzentado. Embora não seja um metal, o silício possui faces brilhantes como se fosse. Portanto, a alternativa correta é a letra a) Apenas I está correta.
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