True or False: Early Theories of Matter
False
Ancient Philosophers regularly performed controlled experiments. (T or F)
True
Both Democritus and Dalton suggested that matter is made up of atoms. (T or F)
True
Dalton thought that all atoms of a specific element have the same mass. (T or F)
False
Dalton was correct in thinking that atoms could not be divided into smaller particles. (T or F)
True
Dalton's atomic theory stated that atoms of different elements combine the simple whole-number ratios to form compounds. (T or F)
True
Dalton's atomic theory stated that atoms separate, combine, or rearrange in chemical reactions. (T or F)
False
Dalton's atomic theory stated that matter is mostly empty space. (T or F)
True
Dalton's atomic theory was based on careful measurements and extensive research. (T or F)
False
Democritus proposed that atoms are held together by chemical bonds, but no one believed him. (T or F)
True
Philosophers formulated explanations about the nature of matter based on their own experiences. (T or F)
True
The smallest particle of an element that retains the properties of that element is called an atom. (T or F)
False
There are no instruments powerful enough to magnify atoms so that they can be seen. (T or F)