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Physics Module 02: Matter Quiz

Created by

@WonderfulWashington

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Questions and Answers

What determines whether an element is stable or reactive?

The number of protons

The number of electrons

The number of electrons in the outer shell (correct)

The number of neutrons

Why are molecules of the same compound held together?

Electromagnetic forces

Adhesive forces

Gravitational forces

Cohesive forces (correct)

What is the mass relationship between a proton and a neutron?

A neutron is the same mass as a proton (correct)

A proton is lighter than a neutron

A neutron is heavier than a proton

A proton is heavier than a neutron

If an element has 7 electrons in its outer shell, what is its valency?

<p>6</p> Signup and view all the answers

How does a catalyst affect chemical reactions?

<p>Speed up reactions</p> Signup and view all the answers

Physics Module 02: Matter Quiz

Podcast

Questions and Answers

What determines whether an element is stable or reactive?

Why are molecules of the same compound held together?

What is the mass relationship between a proton and a neutron?

If an element has 7 electrons in its outer shell, what is its valency?

How does a catalyst affect chemical reactions?

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