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The three abundant elements in the earth's crust are aluminium, oxygen and silicon. The correct order of their abundance is
  • a)
    oxygen, aluminium, silicon
  • b)
    aluminium, silicon, oxygen
  • c)
    oxygen, silicon, aluminium
  • d)
    silicon, oxygen, aluminium
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
The three abundant elements in the earth's crust are aluminium, oxygen...
Oxygen (46.60%) Silicon (27.72%) Aluminium (8.13%)
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The three abundant elements in the earth's crust are aluminium, oxygen...

Explanation:

Abundant Elements in Earth's Crust:

- The earth's crust is primarily composed of various elements, with some being more abundant than others.
- The three most abundant elements in the earth's crust are aluminium, oxygen, and silicon.

Order of Abundance:

- The correct order of abundance of these elements in the earth's crust is:
- Oxygen (46.6%)
- Silicon (27.7%)
- Aluminium (8.1%)

Explanation of Order:

- Oxygen is the most abundant element in the earth's crust, making up almost half of its composition.
- Silicon is the second most abundant element, comprising nearly 28% of the crust.
- Aluminium is the third most abundant element, making up around 8% of the earth's crust.

Conclusion:

- Therefore, the correct order of abundance of the three elements in the earth's crust is oxygen, silicon, and aluminium, with oxygen being the most abundant, followed by silicon and then aluminium.
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The three abundant elements in the earth's crust are aluminium, oxygen and silicon. The correct order of their abundance isa)oxygen, aluminium, siliconb)aluminium, silicon, oxygenc)oxygen, silicon, aluminiumd)silicon, oxygen, aluminiumCorrect answer is option 'C'. Can you explain this answer?
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