What are isotopes and how many are there

What are isotopes and how many are there

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Health Sciences, Biology, Physics, Science, Chemistry

10th Grade - University

Hard

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The video tutorial explains isotopes, which are variants of chemical elements with different neutron numbers. It uses carbon as an example, detailing carbon-12, carbon-13, and carbon-14 isotopes. Carbon-14's instability makes it useful for radiocarbon dating, a method developed by Willard Libby. The video also covers the history of isotopes, mentioning Frederick Soddy, and discusses the applications of isotopes in medicine and other fields. The concept of half-life is introduced, explaining how it helps determine the age of materials.

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7 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain the significance of the atomic number in relation to carbon.

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

What are isotopes and how do they differ from each other?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

How many neutrons are present in a nucleus of carbon-13?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe the process of radiocarbon dating and its applications.

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

List some elements that have stable isotopes and their significance.

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6.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the half-life of carbon-14 and why is it important?

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7.

OPEN ENDED QUESTION

3 mins • 1 pt

What are primordial nuclides and how do they differ from other isotopes?

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