The Carbon Quiz

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Questions and Answers

What is the percentage of carbon in the earth's crust?

In the earth’s crust, there is only 0.02% carbon.

What is the atomic number of carbon?

The atomic number of carbon is 6.

How does carbon attain a stable configuration?

Carbon attains a stable configuration by sharing its valence electrons with other atoms or atoms of other elements.

What is the mass number of carbon?

<p>The mass number of carbon is 12.</p> Signup and view all the answers

How does carbon complete its octet in the outermost shell?

<p>Carbon can complete its octet by sharing electrons with other atoms, belonging to the outer shells of both the atoms.</p> Signup and view all the answers

What are the main functions of the digestive system?

<p>The main functions are mechanical and chemical digestion, and absorption.</p> Signup and view all the answers

What is peristalsis and where does it occur in the digestive system?

<p>Peristalsis is the process of smooth muscle contraction that moves food down the esophagus toward the stomach.</p> Signup and view all the answers

What is the internal structure of the stomach that increases its surface area?

<p>The internal structure of the stomach has ridges and folds called rugae.</p> Signup and view all the answers

Where does the majority of absorption take place in the digestive system?

<p>The majority of absorption takes place in the small intestine.</p> Signup and view all the answers

What is the function of the large intestine in the digestive system?

<p>The large intestine is responsible for eliminating waste matter.</p> Signup and view all the answers

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