Atomic Structure Flashcards

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1
Q

the smallest unit of an
element
that maintains the properties.
of that element

A

Atom

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2
Q

The number of protons in a nucleus of an atom

A

Atomic number

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3
Q

Area outside of the nuceus. contains electrons

A

Electron cloud

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4
Q

Number of protons and neutrons

A

Mass number

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5
Q

A substance particle that has no charge and that is located in the nucleus of an atom.

A

Nuetron

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6
Q

A substance particle that has a negative charge

A

Electron

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7
Q

Center of an atom, holds protons and neutrons

A

Nucleus

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8
Q

A sublimatic particale that has a positive charge

A

Proton

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