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Science > Atomic Structure > Flashcards

Atomic Structure Flashcards

1
Q

Smallest unit of an element

A

Atom

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2
Q

Subatomic particle that has a negative charge

A

Electron

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3
Q

Atom’s central region, contains protons and neutrons

A

Nucleus

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4
Q

Subatomic particle with a positive charge; in the nucleus

A

Proton

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5
Q

Subatomic particle with no charge

A

Neutron

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6
Q

Region around nucleus; electrons are found

A

Electron cloud

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7
Q

Number of protons in the nucleus of an atom

A

Atomic number

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8
Q

Total mass of protons and neutrons in the nucleus

A

Mass number

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Science (13 decks)

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