TED-ED: What is the shape of a molecule? - George Zaidan and Charles Morton

TED-ED: What is the shape of a molecule? - George Zaidan and Charles Morton

Assessment

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Physics, Science

KG - University

Hard

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The video explores the concept of molecular shape, emphasizing that molecules are mostly empty space with mass concentrated in atomic nuclei. Electrons form clouds of negative charge, influencing bonding. The video uses methane as an example to explain molecular bonding and 3D structure, highlighting that bonds are regions of negative charge that repel each other. Various molecular shapes like tetrahedron, pyramid, and bent structures are discussed. The video concludes by noting that complex molecules can have multiple stable configurations, leading to interesting chemical properties.

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5 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the significance of the arrangement of nuclei and electrons in a molecule?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe the shape of methane and how its atoms are arranged.

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What is a tetrahedron and why is it considered an optimal shape for certain molecules?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain how the number of atoms in a molecule affects its shape.

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

How does the shape of a molecule relate to the repulsion and attraction of charges?

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