Atomic Structure

The basic building block of matter is:

• An atom

• A molecule

• A particle

• A nucleus

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NGSS.MS-PS1-1

Atoms are made up of smaller particles called: 

• electrons, neutroids, protons
• electrons, nucleus, protons
• electrons, neutrons, protons
• electroids, nucleoids, protons

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NGSS.MS-PS1-1

The center of the atom is called the

• neutron
• nucleus
• protons
• electrons

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NGSS.MS-PS1-1

What is inside the center of an atom?

• Electrons
• Protons
• Neutrons
• Protons and Neutrons

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NGSS.MS-PS1-1

What particle is positively charged?

• Electron
• Neutron
• Proton
• Nucleus

What particle is negatively charged?

• Electron
• Neutron
• Proton
• Nucleus

What particle has no charge (is neutral)?

• Electron

• Neutron

• Proton

• Nucleus

Would two protons attract or repel?

• Attract
• Repel

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NGSS.HS-PS2-4

NGSS.HS-PS3-5

Would two electrons attract or repel?

• Attract
• Repel

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NGSS.MS-PS2-3

Would an electron and a proton attract or repel?

• Attract
• Repel

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NGSS.HS-PS2-4

NGSS.HS-PS3-5