Understanding Molecules

Understanding Molecules

Assessment

Interactive Video

Chemistry, Science

7th - 12th Grade

Hard

Created by

Ethan Morris

FREE Resource

The video explains what molecules are, how they form, and the types of bonds they can have. It discusses molecular models, vibrations, and recent advancements in imaging technology. The video also highlights applications in various fields and introduces an educational game.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a molecule primarily composed of?

A collection of electrons

A cluster of protons

A group of atoms bonded together

A single atom

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many covalent bonds can a hydrogen atom form at a time?

Two

Three

One

Four

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which atom typically forms two bonds?

Carbon

Oxygen

Hydrogen

Argon

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of space-filling models in chemistry?

To show the nucleus of atoms

To display the electron cloud of atoms

To highlight the bonds between atoms

To measure atomic weight

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What causes the vibrations in molecules?

The tug-of-war between protons and shared electrons

The attraction between protons

The repulsion between electrons

The movement of neutrons

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do watchmakers utilize molecular vibrations?

To build watches that keep accurate time

To enhance watch durability

To create watch straps

To design watch faces

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What was significant about the images published by Joonhee Lee and his colleagues?

They were the first images of chemical reactions

They were the first images of atomic nuclei

They were the first images of molecular vibrations at the atomic scale

They were the first images of electron clouds

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