Atomic Structures Flashcards by Brenna Durie | Brainscape

Q

The smallest unit of an element

A

Atom

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Q

A somatic particles that 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

Somatic particle with no charge

A

Neutron

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Q

A region around nucleus contains electrons

A

Electron cloud

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Q

The sum of protons and neutrons

A

Mass number

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Q

Number of neutrons identifies the atom

A

Atomic number

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Q

A submatic particle that has a positive charge

A

Proton

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