atomic structure Flashcards by Annie Li | Brainscape

Q

what is the change and the mass of an electron?

A

mass- 1/2000
charge: -1

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Q

what is the charge and mass of an neutron?

A

mass: 1
charge: 0

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Q

what is the charge and mass of an proton?

A

mass: 1
charge: 1

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Q

what does the mass number determine?

A

protons and electrons

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Q

what does the atomic number determine?

A

protons

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