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Which of the following is the second most abundant element in the earth's crust?
  • a)
    carbon
  • b)
    oxygen
  • c)
    silicon
  • d)
    nitrogen
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
Which of the following is the second most abundant element in the eart...
Oxygen is the most abundant element in the earth crust. Silicon is the second most abundant element and aluminium is the 3rd.
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Which of the following is the second most abundant element in the eart...
Second Most Abundant Element in Earth's Crust:
There are several elements that make up the Earth's crust, with oxygen being the most abundant. The second most abundant element in the Earth's crust is silicon.

Importance of Silicon:
- Silicon is a crucial element in various minerals and rocks found in the Earth's crust.
- It is a key component of many silicate minerals, which are abundant in the Earth's crust.
- Silicon is widely used in various industries, including electronics, construction, and solar panels.

Abundance of Silicon:
- Silicon makes up about 27.7% of the Earth's crust by weight.
- It is found in various forms, such as silica (SiO2) in quartz, silicates, and silicate minerals.

Comparison with Other Elements:
- While silicon is the second most abundant element in the Earth's crust, oxygen is the most abundant, making up approximately 46.6% of the crust.
- Carbon and nitrogen are also present in the Earth's crust but in much smaller quantities compared to silicon and oxygen.
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Which of the following is the second most abundant element in the earths crust?a)carbonb)oxygenc)silicond)nitrogenCorrect answer is option 'C'. Can you explain this answer?
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