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Class 10 Science Chemistry: Carbon and its Compounds

14 Questions

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Class 10 Science Chemistry: Carbon and its Compounds

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Questions and Answers

What is the atomic number of carbon?

6 (correct)

How many valence electrons does carbon have?

4 (correct)

Which element has an atomic number of 1?

Nitrogen

Carbon

Oxygen

Hydrogen (correct)

Why is carbon essential for various things like food, clothing, and medicines?

It forms strong covalent bonds Signup and view all the answers

What is the electronic configuration of oxygen?

$1s^2 2s^2 2p^8$ Signup and view all the answers

Why does carbon have a valency of four?

It wants to complete its octet Signup and view all the answers

Which element helps in understanding the chemical properties of carbon?

$H_2$ Signup and view all the answers

What is the atomic number of hydrogen?

1 Signup and view all the answers

How many electrons are there in the first orbit of carbon?

4 Signup and view all the answers

What is the valency of oxygen?

2 Signup and view all the answers

Why is carbon considered essential for various things like food, clothing, and medicines?

As it forms compounds with other elements Signup and view all the answers

Which element needs to complete its octet by sharing or gaining electrons?

Carbon Signup and view all the answers

How many protons are there in the nucleus of an oxygen atom?

8 Signup and view all the answers

What helps in understanding the chemical properties of elements like carbon, hydrogen, and oxygen?

Electronic configuration Signup and view all the answers

Study Notes

The video is about Class 10 Science Chemistry Part from Chapter "Carbon and its Compounds."
The chapter will be covered in two videos: Part 1 provides a detailed explanation of the complete chapter, and Part 2 will focus on answering questions from the book, explaining important concepts, and providing handwritten notes.
Carbon is a non-metal element with the symbol 'C' and atomic number 6.
Carbon is essential for various things like food, clothing, medicines, living things, and non-living things made up of carbon compounds.
The video explains the importance of carbon and its compounds in our daily lives, such as in food, clothing, and medicines.
The atomic number of carbon is 6, indicating it has 6 protons and 6 electrons.
Hydrogen has an atomic number of 1, with 1 proton and 1 electron in its first orbit.
Oxygen has an atomic number of 8, with 8 electrons in its first orbit and 2 in the next orbit.
Carbon has a valency of four, meaning it needs to complete its octet by sharing or gaining electrons.
Understanding the electronic configuration of elements like carbon, hydrogen, and oxygen helps in understanding their chemical properties.

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Description

Explore the importance of carbon and its compounds in daily life while learning about the basic properties of elements like carbon, hydrogen, and oxygen. Understand valency, atomic numbers, and electronic configurations for a comprehensive understanding of chemistry.