Atomic Structure Flashcards by Dilynn Yeager | Brainscape

Q

The smallest unit of an element

A

Atom

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Q

A subatomic particle with a negative charge

A

Electron

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Q

Center of an atom contains protons and neutrons

A

Nucleus

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Q

Area around the nucleus contains neutrons

A

Electron cloud

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Q

Subatomic particle with positive charge

A

Proton

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Q

A sum of protons and neutrons

A

Mass number

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Q

Number of protons

A

Atomic number

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