Atoms Flashcards by Emma Anderson | Brainscape

Q

the smallest unit of an element

A

Atom

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Q

A subatomic particle that has a negative charge

A

Electron

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Q

Center of an atom, hold protons+neutrons

A

Nucleus

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Q

A subatomic partice that has a positive charge

A

Proton

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Q

A subatomic particle that has no charge

A

Neutron

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Q

Area outside of the nucleus. Contains electrons

A

Electron cloud

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Q

Number of protons, identifies an atom

A

Atomic number

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Q

Number of protons+neutrons together

A

Mass number

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