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)