atomic structure Flashcards by emily .

Q

radius of an atom

A

1 x 10^-10

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Q

radius of the nucleus

A

1 x 10^-14

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Q

protons

A

positive

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Q

neutrons

A

neutral

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Q

electron

A

negative

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Q

proton relative mass

A

1

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Q

proton relative charge

A

+1

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Q

neutron relative mass

A

1

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Q

neutron relative charge

A

0

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Q

electron relative mass

A

very small

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Q

electron relative charge

A

1

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Q

number of neutrons

A

mass number - atomic number

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Q

number of protons

A

atomic number

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Q

number of electrons

A

atomic number

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