Atomic Structure Flashcards by Jax Acklen | Brainscape

Q

the smallest unit of an element

A

Atom

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Q

Subatomic particle, negative (—) charge

A

electron

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Q

area around the nucleus, contains electons

A

Electron cloud

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Q

center of an atom, contains protons and neutrons

A

Nucleus

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Q

subatomic particle, positive (+)Charge

A

proton

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Q

the sum of protons and neutrons

A

Mass number

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Q

the number of protons, identifies the atom

A

atomic number

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Q

subatomic particle, no charge

A

neutron

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