Átomos Flashcards by Thata Nascimento | Brainscape

Q

O que é átomo?

A

Unidade fundamental da matéria/vida

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Q

Quais as regiões do átomo ?

A

Núcleo: próton e núcleo e eletrosfera: elétron

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Q

N° atômico

A

Número de prótons

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Q

N° massa

A

Prótons + nêutrons

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Q

Átomo neutro

A

Próton= elétron

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Q

Cations

A

Ion de carga positiva

Próton maior que elétron

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Q

Anions

A

Ion de carga negativa

Elétrons maior que prótons

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