
Modelos Atômicos e Tabela Periódica.
Chemistry
9th - 12th Grade
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7 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
1) “O modelo de Rutherford propõe que o átomo seria composto por um núcleo muito pequeno e de carga elétrica _______, que seria equilibrado por _______, de carga elétrica _______, que ficavam girando ao redor do núcleo, numa região periférica denominada ___________”
neutra, prótons, positiva e núcleo.
positiva, elétrons, positiva, eletrosfera.
negativa, prótons, negativa, eletrosfera.
positiva, elétrons, negativa, eletrosfera.
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
2) Os átomos do elemento químico índio (In) com Z = 49 e A = 115, possuem:
98 nêutrons
49 nêutrons.
66 nêutrons.
164 nêutrons.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3) Quais as partículas que apresentam massa num átomo?
prótons, nêutrons e elétrons;
prótons e elétrons;
prótons e nêutrons;
elétrons e nêutrons;
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
4) Cada coluna da tabela periódica denomina-se:
Período
Família
Elemento
Símbolo
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
5) Cada Linha da tabela periódica denomina-se:
Símbolo
Elemento
Família
Períodos
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
6) A tabela periódica possui:
7 famílias e 18 períodos.
5 períodos e 15 famílias.
5 famílias e 15 períodos.
18 famílias e 7 períodos.
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
7) Os símbolos dos elementos químicos... flúor, prata, ferro, fósforo e magnésio são, respectivamente:
F, P, Pr, K e Hg.
F, Ag, Fe, P e Mg.
Fe, Pt, Fm, F e Mg
F, Pr, Fe, P e Mn
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