5.5 moles
2.0=x/2.75
2.0*2.75= x/2.75 (2.75)
5.5=x
Thomson suggested the model of atom which was a sphere of positive matter within which electronic forces determined the positioning of the corpuscles. The corpuscles were distributed in a uniform sea of positive charge. This was so-called "plum pudding" model.
Answer: C ) Thomson
Plastids store food or pigments
Answer: Burning wood, souring milk, browning of a cut apple