Quiz
Law of conservation of mass and Dalton's atomic theory
Perguntas do quiz (3)
1John Dalton thought that atoms
- Ahave no mass
- Bcannot be broken down futher
- Care all composed of carbon
2Using improved chemistry equipment in the late 1700's, chemist observed that mass is neither created nor destroyed in a chemical reaction. This scientific law is called the law of
- Aconversion of mass
- Bconservation of momentum
- Cgravity
3In an experiment, Alex and Rachel discover that their sample of table salt also known as sodium chloride, consists of 39.34% by mass sodium, and 60.66% by chlorine. Later Alex wonders what the percentage of Na might be in the table salt in his saltshaker at home. Rachel tells him, correctly that is
- A60.66%
- B39.34%
- C90%
Informações
- Descrição
- 10th grade Chemistry Quiz sobre Sem título, criado por Katrina Smith Sims em 11-11-2016.
- Autor
- Katrina Smith Sims
- Idioma
- English
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