Atomic Structure Vocab

The basic unit of a chemical element

• Atom

• Proton

• Neutron

• Electron

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NGSS.MS-PS1-1

Has a positive electric charge

• Atom

• Proton

• Neutron

• Electron

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Has a neutral electric charge

• Neutron

• Proton

• Electron

• Nucleus

Has a negative electric charge

• Atom

• Electron

• Neutron

• Proton

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NGSS.MS-PS2-3

A table of elements arranged in order of atomic number

• Atom

• Atomic Mass

• Periodic Table

• Atomic Number

The number of protons in the nucleus of an atom

• Proton

• Periodic Table

• Atomic Mass

• Atomic Number

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NGSS.HS-PS1-8

Equal to the number of protons and neutrons in the atom

• Atomic Number

• Atomic Mass

• Periodic Table

• Nucleus

Located at the center of an atom

• Atomic Mass

• Atomic Number

• Nucleus

• Electron

An atom has 3 main parts: Protons, Neutrons, and _____________.

• Electrons

• Elements

• Sodium

• Carbon

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NGSS.MS-PS1-1

Electrons are found in the electron _________.

• House

• Cloud

• Box

• Atom

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NGSS.MS-PS1-1