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Carbon Element Basics

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Questions and Answers

How many protons and neutrons are there in the nucleus of a carbon atom?

Eight protons and eight neutrons

Six protons and six neutrons (correct)

Seven protons and seven neutrons

Five protons and five neutrons

What determines the chemical properties of an element?

The number of electrons (correct)

The number of protons

The atomic mass

The number of neutrons

Which gas is mainly responsible for climate change?

Argon

Carbon dioxide (correct)

Nitrogen

Oxygen

In what form does pure carbon mostly exist?

Crystalline form Signup and view all the answers

What is the atomic number of carbon?

6 Signup and view all the answers

What is the primary function of carbon in the body?

Form key molecules within the body Signup and view all the answers

Which macronutrient provides a source of energy and also protects vital organs?

Lipids Signup and view all the answers

Why are nucleic acids vitally important to animal life?

They include DNA which contains instructions for development, survival, and reproduction Signup and view all the answers

What would be the consequence if humans did not have nucleic acids like DNA?

Inability to reproduce Signup and view all the answers

Which macronutrient makes up most of the human body and plays a crucial role in building cells?

Proteins Signup and view all the answers

What are the two allotropic forms of elemental carbon mentioned in the text?

Diamonds and graphite Signup and view all the answers

Why is carbon considered essential to human survival according to the text?

Because it is a major part of dry biomass in all living things Signup and view all the answers

What key molecules within the body are mentioned as being primarily composed of carbon?

Nucleic acids and lipids Signup and view all the answers

Why do plants need carbon as per the text?

For the process of photosynthesis Signup and view all the answers

What is the importance of the carbon cycle mentioned in the text?

To maintain a stable climate and balance of carbon on Earth Signup and view all the answers