Atoms Vocab Flashcards by Molly Eisenhard | Brainscape

Q

the smallest unit of an element

A

Atom

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Q

A subatomic particle that has a negative charge

A

Electrons

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Q

Center of an atom , contains protons and neutrons

A

Nucleus

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Q

A subatomic particle that has a positive charge

A

Protons

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Q

A subatomic particle that has no charge

A

Neutrons

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Q

Find electrons, outside of the nucleus

A

Electron cloud

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Q

Number of protons in an atom

A

Atomic number

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Q

The total mass of protons and neutrons in an atom

A

Mass number

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