Bissoy.com
Doctors Medicines MCQs Q&A

The most abundant element in the earth 's crust is oxygen . The second most abundant element is the earth's crust is -

The most abundant element in the earth 's crust is oxygen . The second most abundant element is the earth's crust is - Correct Answer Silicon

ভূ - ত্বকে সবচেয়ে বেশি পরিমাপ রয়েছে'অক্সিজেন' (৪৭%) এবং ২য় সর্বোচ্চ পরিমাণে রয়েছে 'সিলিকন' (২৭.৭%) । তবে 'হাইড্রোজেন ও 'নাইট্রোজেন' অনুপস্থিত।

Related Questions

What is the monoisotopic and average mass of valine? Given data: Mass of the most abundant isotope of Carbon (C°)=12.0000, Mass of most abundant isotope of Hydrogen (H°)=1.0078, Mass of most abundant isotope of Oxygen (O°)=15.9949, Mass of most abundant isotope of Nitrogen (N°)=14.0031, The average mass of Carbon (C)=12.011, The average mass of Hydrogen (H)=1.008, The average mass of Oxygen (O)=15.999, The average mass of Nitrogen (N)=14.007.
Consider the following statements: 1. Most Abundant Elements of the Earth’s Crust is Oxygen followed by silicon and aluminium. 2. Most Abundant Elements of the Earth is Iron followed by Oxygen and silicon. Which of the statements given above is/are correct?
What is the monoisotopic mass of glycine? Given data: Mass of the most abundant isotope of Carbon (C°)=12.0000, Mass of most abundant isotope of Hydrogen (H°)=1.0078, Mass of most abundant isotope of Oxygen (O°)=15.9949, Mass of most abundant isotope of Nitrogen (N°)=14.0031.
What is the monoisotopic mass of threonine? Given data: Mass of the most abundant isotope of Carbon (C°)=12.0000, Mass of most abundant isotope of Hydrogen (H°)=1.0078, Mass of most abundant isotope of Oxygen (O°)=15.9949, Mass of most abundant isotope of Nitrogen (N°)=14.0031.
What is the monoisotopic mass of proline? Given data: Mass of the most abundant isotope of Carbon (C°)=12.0000, Mass of most abundant isotope of Hydrogen (H°)=1.0078, Mass of most abundant isotope of Oxygen (O°)=15.9949, Mass of most abundant isotope of Nitrogen (N°)=14.0031.
Which of the following statements is correct regarding the oxidation number of Oxygen? I. The oxidation number of Oxygen in most compounds is -2. II. When Oxygen is bonded to Fluorine in compounds like Oxygen difluoride and Dioxygen diflouride, the Oxygen is assigned an oxidation number of +2 and +2 respectively. III. In peroxide, an Oxygen atom is assigned an oxidation number of -1 and in Superoxide, each oxygen atom is assigned an oxidation number of -1/2.
Which of the following are true regarding the crust of the earth?
I. It is the outer thin layer with a total thickness of about 100 km
II. It forms around 0.5% of the earth's volume
III. The outer covering of the crust is of sedimentary material
IV. The lower layer of the crust consists of basaltic and ultra-basic rocks
Which of the following element is the second most abundant element on the earth's crust and is present in nature. It is a very important component of ceramics, glass and cement?
The phases of the moon as we see from the Earth are due to changing relative positions of the sun, the earth and the moon. Which of the following statements is true. A. on a full moon day, the earth comes between the sun and the moon B. on a new moon day, the moon is in between the earth and the sun C. on a full moon day, the moon is in between the earth and the sun D. on a new moon day, the earth is between the sun and the moon? E. on a new moon day, the sun is between the moon and the earth
What is the second most abundant element on Earth's crust?