Peso molecular

Peso molecular

Assessment

Interactive Video

Science, Chemistry, Physics

4th - 9th Grade

Hard

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The video explains the concept of atomic mass units and how molecular weight is measured. It highlights the molecular weight of small molecules like hydrogen, which is typically a small number, and contrasts it with larger molecules that can have molecular weights in the thousands or millions.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is molecular weight typically expressed in?

Units of temperature

Units of length

Units of atomic mass

Units of volume

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is an example of a small molecule with a low molecular weight?

Carbon Dioxide CO2

Water H2O

Hydrogen H2

Oxygen O2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the molecular weight of hydrogen (H2)?

One

Two

Four

Three

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How high can molecular weight values reach?

Billions

Tens

Thousands or millions

Hundreds

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which statement is true about molecular weight?

It is irrelevant in chemistry.

It can vary from small numbers to millions.

It can only be expressed in units of volume.

It is always a small number.