Exploring the Atomic Structure

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Which particles make up an atom?

Electrons, neutrons, and positrons

Electrons, protons, and photons

Protons, neutrons, and photons

Electrons, protons, and neutrons (correct)

Which particle is the smallest and has a negative charge?

Photon

Electron (correct)

Neutron

Proton

What is the role of protons in an atom?

They balance the strong nuclear force

They spin really fast around the nucleus

They are located in the center forming the nucleus (correct)

They have no charge

What is the simplest atom?

Hydrogen Signup and view all the answers

What does the atomic number of an element represent?

The number of protons in the nucleus Signup and view all the answers

Which particles make up the nucleus of an atom?

Protons and neutrons Signup and view all the answers

What is the charge of electrons?

Negative Signup and view all the answers

What is the role of neutrons in an atom?

To stabilize the nucleus Signup and view all the answers

What determines the mass of an atom?

The number of protons and neutrons combined Signup and view all the answers

Why is hydrogen less dense than air?

Hydrogen has fewer protons Signup and view all the answers

Exploring the Atomic Structure

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Questions and Answers

Which particles make up an atom?

Which particle is the smallest and has a negative charge?

What is the role of protons in an atom?

What is the simplest atom?

What does the atomic number of an element represent?

Which particles make up the nucleus of an atom?

What is the charge of electrons?

What is the role of neutrons in an atom?

What determines the mass of an atom?

Why is hydrogen less dense than air?

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