
Massa e tamanho dos átomos
Authored by Ana Maria Moura
Physics
11th Grade
Used 3+ times

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12 questions
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1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Como se pode expressar a massa molecular?
ua
Kg/mol
g /mol
g/mL
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A temperatura dos corpos que tocamos determina as nossas sensações de quente e frio. Um corpo parece quente ou frio conforme sua temperatura seja maior ou menor que a temperatura do nosso corpo. Dessa forma, podemos concluir que a temperatura é uma grandeza física que mede...
volume
pressão
calor
grau de agitação das moléculas
a transmissão de calor de um corpo
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where are electrons located?/
¿Dónde se encuentran los electrones?
Nucleus/el núcleo
Energy levels/Los niveles de energía
Center of the atom/El centro del átomo
Outside of the atom/Fuera del átomo
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A medida de temperatura só é feita quando se alcança o equilíbrio térmico. É por isso que devemos esperar em torno de cinco minutos para aferirmos corretamente a temperatura do corpo humano, por exemplo. O instrumento utilizado para medir a temperatura é
barômetro
anemômetro.
termômetro
paquímetro
densímetro
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcula la masa molecular del siguiente compuesto
Ácido nítrico HNO₃
toma en cuenta que la masa atómica del Hidrógeno es 1.00784
toma en cuenta que la masa atómica del Nitrógeno es 14.0067
toma en cuenta que la masa atómica del Oxígeno es 15.999
0.8712 g/mol
113.505 g/mol
63.01154 g/mol
99.999 g/mol
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Con respecto a las propiedades de los compuestos covalentes apolares, determine verdadero (V) o falso (F), a cada una de las siguientes proposiciones según corresponda.
I. Sus moléculas están débilmente atraídas entre sí.
II. Por lo general son gases, líquidos o sólidos, que poseen bajo punto de fusión.
III. Siempre conducen la electricidad en el estado sólido.
FFF
VVV
VVF
FFV
VFV
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which two atoms have the same mass number?/
Carbon-12, Carbon-13
Neon-20, Neon-21
Lithium-7, Beryllium-7
Hydrogen-1, Hydrogen-2
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