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átomos

Authored by Maristela Martinez

Chemistry

University

Used 1+ times

átomos
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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Quais são as subdivisões de um átomo?

prótons, elétrons, cátions

prótons, elétrons, neutrons

cátions, isótopos, neutrons

elétrons, isóbaros, gama

cations, neutrons, elétrons

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Quem aperfeiçoou o modelo de Rutherford?

 Bohr

Dalton

Thompson

Mendeleiev

Obama

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Qual o número de massa (A) de um átomo de cálcio (Z = 20) com 20 nêutrons?

20

10

30

40

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Qual o número de massa de um cátion monovalente que apresenta 18 elétrons e 20 nêutrons?

38

37

39

36

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Temos características do modelo atômico de

RUTHERFORD exceto:

Núcleo e Eletrosfera

indestrutível e indivisível

Núcleo maciço: massa do átomo

Semelhante ao sistema solar

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