atoms Flashcards by Sinem Johnson | Brainscape

Q

what is the radius of an atom

A

1x10^-10

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Q

what is the radius of a nucleus

A

1x10^-14

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Q

what is the avogados number

A

6x10^23

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Q

what is at the centre of an atom

A

neutrons and protons

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Q

what contains electrons

A

shells

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Q

what is the mass number

A

protons + neutrons

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Q

what is the number of protons/electrons called

A

atomic number

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